2010 ford f150 ac relay location

Dec 22, 2018 · 2009 - 2014 Ford F150 - Heater/ac blower not working - I have a 2010 f150 platinum. No air will come out of vents. Put in new resistor Coolant level ok Pulled blower motor and jumped. working ok Power to blower motor Fuses and relay ok Hi/low fan switch reads up and down on led window when pressed.

Find 2010 Ford F150 Fuse Diagrams here. ACCESSORY DELAY RELAY Smart junction box (SJB). A/C CLUTCH RELAY Battery junction box (BJB). BLOWER MOTOR RELAY Battery junction box (BJB). COOLING FAN HIGH SPEED RELAY Battery junction box (BJB). COOLING FAN LOW SPEED RELAY Battery junction box (BJB). …Believe the AC compressor Relay is located on the left side of the Fuse block inside the passenger kick panel. Exact location is in your owners manual. Fuel pump relay is …Sep 30, 2022 · FORD F150 BLOWER MOTOR FAN RELAY LOCATION REPLACEMENT F 150 HEATER RELAY 2009 2010 2011 2012 2013 2014If you need to find the heater fan relay, blower motor ... The trigger from the dash switch activates the relay which in turn switches on the solenoid pulley to engage the compressor to work. If this circuit is traced the fault of a open circuit can be found out. If there is no power in the fuse or relay then the main wiring must be checked. Aug 19, 2011 • 2006 Ford Fusion. 0.These are designed to keep the compressor from running if the pressure is low. The low pressure is behind the dryer/accumulator, and the high pressure is near the HP service port in front of the battery. Unplug. Take a paper clip and jump the leads. If the switch is bad, the jumper should allow the compressor to start.BLUELIGHTNIN6. EXPERT. Horn relay is on left side of engine compartment, in the power distribution box. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed. Image (Click to make bigger) SPONSORED LINKS. Was this. answer.FORD F150 TRANSMISSION CONTROL MODULE FUSE LOCATION REPLACEMENT F 150 TCM FUSE 2009 2010 2011 2012 2013 2014If you need to find the transmission module fuse,...FORD F150 LEFT RIGHT TURN SIGNAL RELAY LOCATION REPLACEMENT F 150 TURN SIGNAL NOT WORKING 2009 2010 2011 2012 2013 2014If you need to find the left turn sig...

About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...A/C Air Conditioning not working, stopped working or A/C compressor not engaging on your Ford F150? In this video I am showing locations of AC fuse and relay...Air Conditioning; Air Filters; Air Tools, Impact Wrenches, Ratchets; Battery Tools; ... Find 2010 Ford F150 Fuse and Relay Location Diagrams here ©, 2018 Rick Muscoplat.3) Damaged Ground Wire. The foundation for the electrical wire operation is the ground. Therefore, damaged or bad ground means the electrical currents cannot find their way to the battery. In this case, the clutch won’t engage. Signs of damaged ground include your car lights flickering randomly.This is the fuse for the circuit through the function selector switch to the AC pressure cut off switch & the AC pressure cycling switch. The engine compartment fuse # 23 & 3 control the WOT ( wide Open Throttle ) relay to the AC clutch diode & AC compressor clutch solenoid. Aug 22, 2010 • 1999 Ford F150 Regular Cab. 0 helpful.1 / 1. 2009 - 2014 Ford F150 - AC compressor relay bypass - Hey everyone. Over the past few weeks my a/c started fading out...warmer and warmer each week. Now it's completely gone. I've recharged other cars I've owned in the past but no luck with this one.The trigger from the dash switch activates the relay which in turn switches on the solenoid pulley to engage the compressor to work. If this circuit is traced the fault of a open circuit can be found out. If there is no power in the fuse or relay then the main wiring must be checked. Aug 19, 2011 • 2006 Ford Fusion. 0.Feb 11, 2023 · Blower motor not working on your Ford F150 pickup truck? Fans not blowing air? Make sure to check blower motor fuses and relay before you decide to replace t...

2011 Ford F150 Fuse Diagram for Power Distribution Box. 1 Powertrain control module (PCM) relay (3.7L, 5.0L and 6.2L engines) 2 Starter relay 3 Blower motor relay 4 Rear window defroster relay 5 …Jun 26, 2010 · Symptoms. Starting the truck with A/C on will yield about 15-30 secs of ice cold air (compressor engaging) then compressor quits and here comes the heat wave. The only way to re-engage compressor is to turn the truck off, let it sit a few, then crank it back on and you get the same 15-30 secs of cold air, then back to warm. Fuel heater relay − Diesel 30A 60A 30A 30A 30A 20A 30A F2.109 40A Heater blower motor (19805), Auxiliary A/C relay F2.108 30A 50A 30A Excursion, Super Duty Series F−250, F−350, F−450, F−550 ’04 11−3 Fuse and Relay Information Circuits protected Electric trailer brakes Ignition switch (11572), Run/Start power circuit, Fuel Injector ... 2009 - 2014 Ford F150 - 2013 F150 AC Issues - I've replaced the blower motor and the dual air control resistor. All wiring is good and has been checked for overheating damage. I have power at the plug for both the resistor and the motor. Both the relay and the fuse have been replaced.Originally Posted by ron4498. I found the Blower Relay. It is located under the dash between the steering wheel and radio/climate controls. On my 1997 F150 access involved taking off the lower dash panel below the steering wheel. Once the panel is removed the bracket holding both the flasher and blower relay is about six inches right of the ...

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0:00 / 2:32 Ford F150 AC Relay, Fuse & Pressure Switch Sensor Location (EASY FIX) THE EASIEST WAY TO FIX 6.44K subscribers Subscribe Share 47K views 2 years ago #video #cars …See more on our website: https://fuse-box.info/ford/ford-f-150-2015-2018-fuses-and-relayFuse box diagram (location and assignment of electrical fuses and rel...Using a 2004 Ford Explorer, I point out to you the location of the AC compressor clutch fuse and the AC compressor clutch relay. Check the EC fuse and relay ...2. Blown fuses. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current ...2. Location. Arizona. On my 2003 Expedition the interior fuse and relay panel is the same as this video. But the relay box between the coolant reservoir and the intake tube is missing, replaced by the cruise control box. I removed the intake tube and the coolant reservoir and there is nothing underneath or anywhere on that side of the engine.

Ford F-150 – (photo by Ford) Some of the common causes that stops the horn from working normally on your Ford F-150 are blown fuse, bad relay, faulty horn, corroded or worn out connector, broken wire, broken clock spring or bad horn button. 1. Blown fuse. The horn on Ford F-150 needs electricity to work. In case of a faulty fuse, …See more on our website: https://fuse-box.info/ford/ford-f-150-2015-2018-fuses-and-relayFuse box diagram (location and assignment of electrical fuses and rel...2004 F250 5.4L A/C clutch relay location. Recently upgraded form '93 F150 to a 2004 F250 Super-duty with the 5.4 L Triton. A/C clutch not engaging. Checked fuse under steering wheel and it is good. Online says check relay and fuse in the engine compartment Aux fusebox driver's side.Clean Air Act and EPA; Cool Automotive Products and Tool Recommendations. Accelerator Pedal Position Repair Kits; Air Conditioning; ... 2010 Ford F150 Relay Locations; 2010 Ford Flex Relay Locations; 2010 Ford Focus Relay Locations; 2010 Ford Fusion Relay Locations; 2010 Ford Ranger Relay Locations;2009 - 2014 Ford F150 - AC not blowing cold and refrigerant level reads filled - I have a 2013 F150 XLT with AC blowing hot air. Checked the refrigerant level and read full so doesn't seem to be a leak or need refilling. Any ideas what could be causing the issue; compressor, condenser, relay, fuse, etc.? Thanks in...During this time, the model received a restyling. In this material you will find an assignment of F-150 fuses and relays with box diagrams and locations. We will also tell you which fuses are …430 Answers. The relay is under a black plastic cover on the driver's side behind the battery. There are a couple other relays under there.-------I would start by jumping the AC relay to see if the clutch will run, you do this by removing the relay and putting a jumper wire between 30 and 87 terminals, if the clutch runs then check to see if ...The ac system is a sealed system and doesn't need service. The only thing that should be checked on the ac system is to make sure the condenser is clear and clean and has good airflow and check the ac compressor belt. The cooling fans have at least 2 speeds. It could be a stuck relay.i would get a electric schematic and trace the circuit and ...These are designed to keep the compressor from running if the pressure is low. The low pressure is behind the dryer/accumulator, and the high pressure is near the HP service port in front of the battery. Unplug. Take a paper clip and jump the leads. If the switch is bad, the jumper should allow the compressor to start.Using a 2006 Ford F-350, I point out to you the location of the AC compressor clutch relay and the AC compressor clutch fuse. Check the AC fuse and relay if ...Aug 20, 2019 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... 2. Blown fuses. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current ...

02-26-2011, 06:25 AM. The easiest way to find it is to turn the flasher or blinker on and stick your hand under the dash where the radio is, and there is a black box, just keep grabbing things with your hand and you will feel the thing ticking, it's in the most stupidest place I've ever seen a flasher.

May 13, 2018 · Air Conditioning; Air Filters; Air Tools, Impact Wrenches, Ratchets; Battery Tools; ... Find 2010 Ford F150 Fuse and Relay Location Diagrams here ©, 2018 Rick Muscoplat. 2 Year LIMITED WARRANTY. The A/C compressor on your Ford F-Series pressurizes the refrigerant in the A/C system. The compressor is activated by the A/C clutch and is driven by the engine belt. With time, you may notice that the A/C in your Ford isn't performing as it used to. If you hear squealing or squeaking sounds from the compressor, or if ... Using a 2002 Ford f150 with the 4.6 I show you the location of the AC Relay and Fuse for the AC compressor clutch.This article applies to the Ford F-150 (2004-2014). Fuses are key to your truck's electrical system and to keeping everything that relies on electricity working properly. Your fuse box or boxes will house many different fuses, each one controlling one or a group of items similarly related. A fuse works by allowing an electrical current to flow ...Auxiliary Relay Box (SVT Raptor only) The relay box is located in the left-hand corner of the engine compartment near the windshield. Fuse box diagram (fuse layout), location and assignment of fuses and relays Ford F150 / F-150 SVT Raptor / Ford Lobo (2009, 2010, 2011, 2012, 2013, 2014).2010 Ford F150 Relay Locations. Home; Make & Model; Repair Topics; More Articles. ... DC to AC Power Inverters; Dent repair products; Detailing products; ... Find 2010 Ford F150 Fuse and Relay Location Diagrams here ©, 2018 Rick Muscoplat. Posted on May 13, 2018 by Rick Muscoplat.The AC pressure switch is typically located near the compressor, which can be found at the front of the engine compartment on the passenger side of the vehicle. It will look similar to a fuse box, but will be slightly larger and have several wires coming out of it. Once located, you can begin to locate the actual switch itself.3. Warm Air is Blowing. When you turn on the air conditioning, you expect to feel cold air pour out. However, when the AC pressure switch goes bad, warm air might be all you get. However, this problem is also caused by low refrigerant levels, which should be checked regularly. 4.

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Ford F-150 – (photo by Ford) The most common causes that hinders normal operation of air conditioning system on your Ford F-150 are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. 1.2010 ford f150 ac issue. I have a 2010 ford f150 larait 5.4 v8 4x4 220,000 miles I replaced the ac compressor and condenser and pressure switch and charged the system with manifold gauges and when I turn on the truck and turn the max ac on (touchscreen dual temp) and the clutch doesn't engage but will engage when bypassing the relay.The 2006 Ford F-150 has 3 different fuse boxes: Passenger compartment fuse panel / power distribution box diagram. Auxiliary relay box (with DRL) diagram. Auxiliary relay box (without DRL) diagram. Ford F-150 fuse box diagrams change across years, pick the …During this time, the model received a restyling. In this material you will find an assignment of F-150 fuses and relays with box diagrams and locations. We will also tell you which fuses are …2011-2014: Powertrain control module – Voltage power 2: General powertrain components (Mass air flow/intake air temp sensor -3.7L, 5.0L, 6.2L engines) (Canister vent solenoid – 3.5L engine) 2009-2010: Voltage power 2, Voltage – battery voltage, Mass air flow/Intake air temp, CMS 12 and 22 with 6R80 transmission, Brake on/off switch (BOO ...Fuse MINI. 20A. 76. Voltage power 2, Voltage - battery voltage, Mass air flow/Intake air temp, CMS 12 and 22 with 6R80 transmission, Brake on/off switch (BOO) Fuse MINI. 10A. 77. Voltage power 3, Electric fan clutch, A/C clutch relay coil, Floor shifter (4–speed transmission) Fuse MINI. FORD F150 AC CLUTCH RELAY LOCATION REPLACEMENT F 150 AC COMPRESSOR NOT WORKING RELAY 2015 2016 2017If you need to find the A/C Clutch relay, AC Compressor re...NEED HELP IDENTIFYING!! 1 / 1. 1997-2006 Expedition & Navigator - Where is the A/C Relay? - Hello everyone, this is my first post. I am at my witts end.I cant seem to find my a/c relay. It is a 2005 Expedition. I have searched this forum and couldnt find the answer so I am starting this thread.I looked in the owners manual and all of the relays ...Ford Mechanic: Kenny Z. Ok then if the A/C clutch kicks on with 3/5 jumped then the next step is to check for power on 1 with the key on.If power ok there then all that's left is ground on pin 2. The PCM grounds this pin based on a variety of inputs from the A/C pressure transducer, The HVAC control head, and engine load.2. Location. Arizona. On my 2003 Expedition the interior fuse and relay panel is the same as this video. But the relay box between the coolant reservoir and the intake tube is missing, replaced by the cruise control box. I removed the intake tube and the coolant reservoir and there is nothing underneath or anywhere on that side of the engine. ….

The trigger from the dash switch activates the relay which in turn switches on the solenoid pulley to engage the compressor to work. If this circuit is traced the fault of a open circuit can be found out. If there is no power in the fuse or relay then the main wiring must be checked. Aug 19, 2011 • 2006 Ford Fusion. 0.Fuse Layout Ford F150 2009-2014. Cigar lighter (power outlet) fuses in the Ford F-150 are the fuses №22 (Cigar lighter), №33 (110V AC power point, since 2011), №65 (Auxiliary power point (instrument panel)), №66 (Auxiliary power point (inside center console)) and №72 (Auxiliary power point (Rear)) in the Engine compartment fuse box.Suggest to check your low-side pressure. A/C operation is difficult to explain in that the lower the pressure, the colder the temperature, but the less heat or total coolness is transferred. The low-side pressure switch serves to cut the compressor out when the pressure drops below 22-28psi, depending on the type of freon.2009 - 2014 Ford F150 - Flasher relay on a 2010 F150 - After doing several google searches I am confused as to why these models do not use a flasher for the turn signals. My left turn signal is hyper flashing and none of the bulbs are bad. I have no problems with the right signals and my hazards work fine.FORD F150 PCM RELAY, POWER TRAIN RELAY LOCATION REPLACEMENT F 150 ECU RELAY, ECM RELAY 2015 2016 201If you need to find the PCM relay, ECU relay, ECM, Powert...My Amazon Affiliate links: AC Recharge KIT: https://amzn.to/2VtiuMVRecharge Hose: https://amzn.to/3f1hUy1R-134a Refrigerant: https://amzn.to/36OolF7Disposabl...Ford F-650 / F-750 (2001-2015) fuses and relays. In this article, we consider the seventh-generation Ford F-650 / F-750, produced from 2001 to 2015. Here you will find fuse box diagrams of Ford F-650 and F-750 2004, 2005, 2006, 2008 and 2011, get information about the location of the fuse panels inside the car, and learn about the assignment of ...FORD F150 TRANSMISSION CONTROL MODULE FUSE LOCATION REPLACEMENT F 150 TCM FUSE 2009 2010 2011 2012 2013 2014If you need to find the transmission module fuse,...Ford Mechanic: Kenny Z. Ok then if the A/C clutch kicks on with 3/5 jumped then the next step is to check for power on 1 with the key on.If power ok there then all that's left is ground on pin 2. The PCM grounds this pin based on a variety of inputs from the A/C pressure transducer, The HVAC control head, and engine load. 2010 ford f150 ac relay location, 10. Driver-assist features are supplemental and do not replace the driver's attention, judgment and need to control the vehicle. It does not replace safe driving. See Owner's Manual for details and limitations., Order Ford F150 A/C Compressor Control Relay online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. , If you’re in the market for a Ford F150, you’re in luck. This popular truck is known for its durability, versatility, and impressive performance. Whether you need a powerful workhorse or a comfortable daily driver, the Ford F150 has got you..., Using a 2002 Ford f150 with the 4.6 I show you the location of the AC Relay and Fuse for the AC compressor clutch., 2 Year LIMITED WARRANTY. The A/C compressor on your Ford F-Series pressurizes the refrigerant in the A/C system. The compressor is activated by the A/C clutch and is driven by the engine belt. With time, you may notice that the A/C in your Ford isn't performing as it used to. If you hear squealing or squeaking sounds from the compressor, or if ..., Jun 13, 2012 · These are designed to keep the compressor from running if the pressure is low. The low pressure is behind the dryer/accumulator, and the high pressure is near the HP service port in front of the battery. Unplug. Take a paper clip and jump the leads. If the switch is bad, the jumper should allow the compressor to start. , Air Conditioning; Air Filters; Air Tools, Impact Wrenches, Ratchets; Battery Tools; ... Find 2010 Ford F150 Fuse and Relay Location Diagrams here ©, 2018 Rick Muscoplat., The relay used is the same as many others in the fuse box. Just swap another, non critical relay of the same type into the slot and see if it stops running. Non critical would be a light or trailer power relay or similar. Check the manual for another to use. If the fans stop, you’ve found the culprit. I had my fuel pump relay stick off on my 09., This allows power to flow through the relay to the compressor clutch, turning your A/C on. Part 1 of 2: Locate your A/C relay. Material Needed. Owner’s manual; Step 1: Locate the A/C relay. The A/C relay is typically found in the underhood fuse box. Consult your owner’s manual for the exact location. Part 2 of 2: Replace your A/C relay ..., Air conditioner AC not working on your Ford F150 truck? In this video I am showing a/c compressor clutch fuse and relay. Checking the fuse and relay is the f..., Ford Mechanic: Kenny Z. Ok then if the A/C clutch kicks on with 3/5 jumped then the next step is to check for power on 1 with the key on.If power ok there then all that's left is ground on pin 2. The PCM grounds this pin based on a variety of inputs from the A/C pressure transducer, The HVAC control head, and engine load., The AC clutch solenoid is not in the fuse panel, not sure what relay is AC. There is a Blower motor relay, but this is only if the blower motor does not work in AC, vent or heat. There is also the Blower motor resistor, but this is usually the blower only works on high, the other speeds are not functioning. Blower Motor resistor ( and pigtail ..., Jun 13, 2012 · These are designed to keep the compressor from running if the pressure is low. The low pressure is behind the dryer/accumulator, and the high pressure is near the HP service port in front of the battery. Unplug. Take a paper clip and jump the leads. If the switch is bad, the jumper should allow the compressor to start. , Using a 2002 Ford f150 with the 4.6 I show you the location of the AC Relay and Fuse for the AC compressor clutch., Jun 15, 2012 · The AC clutch solenoid is not in the fuse panel, not sure what relay is AC. There is a Blower motor relay, but this is only if the blower motor does not work in AC, vent or heat. There is also the Blower motor resistor, but this is usually the blower only works on high, the other speeds are not functioning. Blower Motor resistor ( and pigtail ... , Once the oil has been changed in a Ford F150, if the oil change indicator light on the dash does not reset on its own, then the light should be manually turned off by resetting the oil life to 100 percent in the onboard computer’s setup men..., using a 2004 F-150 with a 4.6 V8, I point out to you the location of the AC compressor clutch fuse and the AC compressor clutch relay. Check the AC fuse in t..., For the EMTC ( Electronic Manual Temp Control ) and EATC ( electronic Automatic Temp control ) systems the AC fuses are : F32 feeding the coil on the AC clutch relay. F11 feeding the normally open contacts on the AC clutch relay ( which powers the AC solenoid. The blower motor ( for AC or heat ) is F116 which feeds the blower motor relay., Air Conditioning; Air Filters; Air Tools, Impact Wrenches, Ratchets; Battery Tools; Bed liner; ... 2010 Ford F150 Relay Locations; 2010 Ford Flex Relay Locations;, Feb 5, 2023 · Air conditioner AC not working on your Ford F150 truck? In this video I am showing a/c compressor clutch fuse and relay. Checking the fuse and relay is the first thing you should do if... , The fuse and relay box is located in the engine compartment on the left side. Photo. ... Ford F-150 (11G) – fuse and relay; Comments 9. Brad. 12.12.2021 at 19:25 . 2011 F350 4×4 crew cab 6.7- where is the relay located that controls the power folding mirrors? Reply. Mike. 17.04.2022 at 12:29 ., HVAC Blower Motor Resistor AC Blower Control Module - Compatible with 2010-2017 Ford Expedition 2010-2014 Ford F-150 2011-2017 Lincoln Navigator Auto Temp Control - Replace # BL3Z-19E624-A YH-1829. ... but the item did not fit into the precise location where it was supposed to be placed, this was a 2011 ford f 150 xlt. Read more. …, Jul 25, 2011 · Once you manually change the fan speed with the buttons the unit should switch out of auto mode and change the speed to to whatever you want. If yours is staying the same then it is broken. Take it to the dealer. Reply Like. 07-25-2011, 10:38 PM. # 3. , To diagnose the P0645 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., Using a 2006 Ford F-350, I point out to you the location of the AC compressor clutch relay and the AC compressor clutch fuse. Check the AC fuse and relay if ..., Most relays are very straightforward to remove and reinstall for testing or replacement. Relays may be located in the fuse box inside the interior of your vehicle or in the engine …, 02-26-2011, 06:25 AM. The easiest way to find it is to turn the flasher or blinker on and stick your hand under the dash where the radio is, and there is a black box, just keep grabbing things with your hand and you will feel the thing ticking, it's in the most stupidest place I've ever seen a flasher., 1999 ford f150 heater relay location the heater only blows cold air where are the relays at? ac works but it will - Ford 2001 F150 Styleside SuperCrew question. Search Fixya. Browse Categories ... Jul 03, 2010 • 2004 Ford F150. 0 helpful. 1 answer. Heater isnt putting out any heat ...blows cold air ....when i adjust the heat/cold knob it ..., Air Conditioning; Air Filters; Air Tools, Impact Wrenches, Ratchets; Battery Tools; ... Find 2010 Ford F150 Fuse and Relay Location Diagrams here ©, 2018 Rick Muscoplat., 0:00 / 2:32 Ford F150 AC Relay, Fuse & Pressure Switch Sensor Location (EASY FIX) THE EASIEST WAY TO FIX 6.44K subscribers Subscribe Share 47K views 2 years ago #video #cars …, 11 – Not used 12 40 Run/Start relay (modified vehicle) 13 30 Starter relay 14 40 Run/Start relay F15 40 Modified vehicle power (stripped chassis/modified vehicle) 16 50 Auxiliary blower motor relay (except cutaway) 17 50 Auxiliary battery diode (with auxiliary battery), F57, F63 18 30 Trailer Brake Control (TBC) module 19 30 Upfitter relay 1 20 30 Upfitter relay 2 21 50 Fuel Injector Control ..., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., Step 1: Install the new switch. Screw the new switch in by hand, then tighten it until it's snug using a ratchet or wrench. Step 2: Reinstall the electrical connector. Do exactly the opposite of what you did before. Step 3: Reinstall the negative battery cable. Reinstall the negative battery cable and tighten it down.