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relays

Related articles

How Long Does an Automatic Shutdown Relay Last?
When you start your car, a number of things happen. The fuel pump delivers gas through the fuel lines to the fuel injectors, and the battery delivers voltage to the ignition...
How Long Does a Condenser Fan Relay Last?
The condenser fan relay allows the cooling fan to pull air through the radiator and the condenser to cool the vehicle. This part is connected to the condenser fan and is...
How Long Does an ECM-Power Relay Last?
As technology continues to advance and move forward, so does the way our vehicles operate and run. It seems more and more parts rely on computers and sensors than ever before. The...
How Long Does a Fog Light Relay Last?
All vehicles come equipped with headlights, and some vehicles offer you more in terms of lighting. Fog lights are a popular option with drivers as they are perfect for foggy conditions...
How Long Does a Main Relay (Computer/Fuel System) Last?
Common signs include the engine not starting, inability to stay running for a long time, and no communication with scan tools.
How to Replace an Automatic Shutdown Relay
The ASD (Automatic Shutdown) relay is failing when electrical functions in the vehicle are inoperative or when the car will not start.
How to Replace a Door Lock Relay
Electric door locks work via a door lock relay located near the brake pedal, behind the stereo, behind the passenger air bag, or under the hood.
How to Replace an Air Conditioning Compressor Relay
The air conditioning compressor relay supplies power to the compressor for AC function. This relay should be replaced if it's proven to be faulty.
How to Replace an Intermittent Wiper Relay
If the windshield wipers function on high and low but do not work on the intermittent setting, then your intermittent wiper relay may be faulty.
How to Replace a Cooling Fan Relay on Most Vehicles
Cooling fan relays fail when the radiator cooling fan no longer receives an electrical signal. A broken fan relay means the radiator cannot cool down.
How to Replace an Ignition Relay
Common signs of a damaged or broken ignition relay include a low/dead battery, the car stalling or not starting, or loss of power to the dash lights.
How to Replace an Electronic Control Relay
Electronic control relays are tied to many components in your car. When an electronic part doesn't work in your car you may need to replace a relay.
How to Replace a Starter Relay
Starter relays are faulty if there are problems starting the engine, the starter stays on after cranking, or a clicking noise comes from the starter.
How to Replace a Fuel Pump Relay
The fuel pump has a relay that fails when there is no audible humming sound as the ignition is turned and when the car cranks after longer than usual.
How to Replace an Anti-Lock Brake System (ABS) Fuse or Relay on Most Cars
Anti-lock brake systems have a fuse that fails if the ABS brake light is on or when the fuse is blown. The wheels may lock up if the ABS fuse is bad.
How to Replace a Heater Blower Motor Switch or Relay
The motor switch on your heater and air conditioning goes bad when the switch gets stuck in certain positions or will not budge at all.
How to Replace a Horn Relay
A car horn uses a horn relay to power it and make sound. A faulty relay can be replaced by safely disconnecting the old one and plugging in a new one.
How to Replace a Headlight Closure Relay
Your headlights depend on the headlight relay located in your vehicle’s fuse box. Occasionally these relays need to be replaced.
How to Replace a Condenser Fan Relay
A condenser fan relay operates the fan that removes heat from the engine. If faulty, it will not allow the A/C to blow cool air or function at all.
How to Replace an Anti-Lock Control Relay
ABS brakes use an anti-lock control relay to regulate the pressure of the brake fluid in the ABS system. The control relay breaks down over time.

Related questions

Question
98 Chevrolet Tahoe cranks but won't start.
Hi there. If your fuel pressure is normal (35 psi or higher) then check the spark plugs and see if they are getting burn spots. If they have burn spots, then the injectors may not be working. If the fuel...
Question
My heater only blows on 1 thru 4 changed
This vehicle uses a high speed blower relay located on top of blower case by blower resistor. The relay is energized when the blower switch is moved to highest speed only. If you are getting all the lower speeds but...
Question
What could be the problem? My GTI 5 is showing these codes after diagnosing low pressure regulation, fuel pump circuit.
Hi there. If you are getting codes for the fuel pump circuit, then there could be a problem with the fuel pump, fuel pump relay, or the electrical wiring. First check the fuel pump relay and see if the relay...
Question
Go to start my car but it just clicks 1998 Honda CRV
Hello - if your battery is good, it sounds like either the starter solenoid is not engaging as you have suggested, or possible the security relay, which is mounted under your dash, is not closing properly. Both could create the...
Question
Crank but no start and there is no fuel pressure.
Hi there. Check the fuel pressure regulator on the fuel rail. The regulator will adjust the fuel flow and adjust the pressure. If the regulator is working, then there may be a restriction in the fuel line. Remove the fuel...
Question
Car will not crank immediately
This may potentially be related to a faulty starter relay or possibly a bad wiring or cable connection to the battery, the starter or the starter relay causing intermittent power supply issues. The starter relay directs power from the battery...
Question
Where is the location of the blower motor relay?
Depending on what model Kia you have the blower relay is in the instrument panel main fuse relay box. The blower intermittently may not come on and blower is bad and binds. Tap on blower to see if it starts....
Question
My heat stop blowing all together.
It sounds like you may have a faulty blower motor relay. Occasionally, the blower motor itself will wear out or become faulty working intermittently as the brush contacts inside the motor wear out. The blower motor relay supplies power to...
Question
Is there a fuel pump relay reset switch? Still got no power after changing the pump and relay. There is no engine light.
Hi there. There is no fuel pump relay reset switch, just a fuse. If the fuel pump is not working, first check the fuel pump fuse to see if its blown. If the fuse is good, then check the power...
Question
My 2010 kia blower fan stopped working but was fine last week. This occurred a few times in past. Works fine then stops blowing ag
The blower switch and the plug connection on the back of the switch, as well as a faulty blower motor are likely, too. I would check the blower motor first as you can easily power the motor directly to see...
Question
location of starter relay
Hi there. I think you'll find a 2003 Mitsubishi Galant service and review manual to be very helpful in locating your starter relay. It will also give you step-by-step instructions for removing and replacing this component as well if that's...
Question
Having trouble with my fuel pump receiving power.
Hi there. The fuel pump relay is part of a control unit called the IPDM. This is located under the hood on the passenger side of the engine. The IPDM is in that black box by the washer bottle fill...
Question
Could you show me what it looks like?
Hi there. First check the fuel filter and see if the filter is plugged up. If your vehicle has a tank filter and not a inline filter, then check the fuel pump relay and see if it's clicking on when...
Question
Won't start and has spark, 49 psi in fuel pressure, and it ran when I parked the car. Why won't it start?
Hi there. Check the starter and see if is clicking when you turn the key. If the starter is clicking, then either the starter relay or the starter solenoid is not working. If there is no click and the starter...
Question
I get no heat at all nothing works
This may be related to a faulty blower motor or blower motor relay. Occasionally, the blower motor itself will wear out or become faulty working intermittently as the brush contacts inside the motor wear out. The blower motor relay supplies...
Question
Bad ignition switch or main relay?
Many of the 1998 Accords were recalled by Honda for ignition switch and interlock defects. In your circumstance, the first thing to do is confirm whether applicable recalls affecting your vehicle were in fact completed, by you or any prior...
Question
ASD relay not activating
Hello. If you require an accurate wiring diagram you will be able to find one in the vehicle's service manual, or a quality repair manual. You may also be able to acquire the diagrams through a dealership or shop, or...
Question
Starts then stalls.
Hi there. Check the fuel pump relay and see if its working. If the fuel pump relay is getting hot, it will cut off and causing the fuel pump to shut off when the engine is running. This will cause...
Question
My 2011 Quest with 100,000 miles has an unknown hesitation about 5 seconds after stopping, and has no power then takes off and runs fine. There is no misfire.
Hi there. The symptoms that your vehicle is having sounds like the fuel pump relay is on the fritz. The relay may be getting too hot and turning off to cool down then it turns back on. This would explain...
Question
Van starts but stalls very quickly
Hi there. Check the fuel pump relay and see if it's clicking when the key is turned to the 'ON' position. If the relay is not clicking, then remove the relay and check for power to the relay base on...

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