Questions tagged [relay]

Electrical device which, when energised by a small electrical current, safely switches a larger electrical current.

21 questions with no upvoted or accepted answers
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354 views

2014 Hyundai Tucson cooling fan not running

So our 2014 Hyundai Tucson (GDi) cooling fan doesn't seem to come on when it's hot or when the ac is on. The ac only blows cold when the car is moving and the car sometimes overheats when idling. I ...
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245 views

Hooking up daytime running lights on my vehicle using relays

I am looking to run my 2006 Honda Ridgeline's daytime running lights on 50% power, or close to it, on the accessory wire. When I turn my park lights, head lights, or brights on, I would like them to ...
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39 views

Relay coil resistance measurements?

My relay 5 pin has 12v 10 amps input rating. And, I measured its coil voltage with multimeter giving about 650 ohms. Now, I connect the relay to car battery 45 ah. Surprisingly, the current through 86 ...
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1answer
141 views

2002 Kia Spectra 1.8: No power to the control side of my fuel pump relay

I have isolated the issue to no power coming in to the relay coil. I am having issues finding a wiring diagram, or a pcm terminals wiring diagram to help me further troubleshoot the issue. I'm only ...
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0answers
59 views

Why would this happen:

If anybody could help me understand this behavior, I'd be grateful: 2003 R1 5PW, Fuel-injected, has an alarm/immobilizer fitted, doesn't report any fault codes: Motorcycle would occasionally (three ...
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74 views

Defective connection between radiator fan relay and ignition?

I have a Toyota AE101 DX Corolla. When I turn the key to start the car it does not tumble. It turned out that the fan relay doesn't come on with the key turned on like it usually does. Mind you this ...
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36 views

Why might replacing the relays defer a startup problem for a few weeks?

I have a 2005 Honda Civic. At some point in the last 6 months, I have had trouble starting it (intermittently). It would crank as long as I tried, but the car won't start. Most occurrences occur when ...
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70 views

Mitsubishi Outlander 2012 ES / Hearing relay click sound from the back every time I press the brake pedal?

I just purchased a used Mitsubishi Outlander 2012 ES with leather seats and 4WD. I never sat in one before. Is it normal to hear a relay click at the back of the vehicle every single time I press on ...
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594 views

Low beam headlights don't work. High work. Can't find the problem

Car: 2012 Ford Focus The fuse location under the passenger compartment works - I tested. I don't know if it's the headlight relay, but my car manual does not show a location. Unless it's listed under ...
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192 views

Suzuki TU250X motorcycle only cranks when engine turned over by pushing in gear (electronic ignition)

I have a 2000 Suzuki TU250x. It's had a intermittent problem using the electronic ignition to start the bike. Turn the key, hold in the clutch, lift kickstand, click the fuel pump relay switch, hear ...
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29 views

Kia rio 2012 engi. 1.4 power supply relay

Dears, I have checked a car kia rio 2012 using active test for engine in diagnostic tool all test are succeed except the power supply relay i tried to locate it but I failed. Could you help me to ...
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51 views

Why do i have running,turn,and flashers but no headlights?

My 1994 grand cherokee has running lights ,turn signals, and flashers,but no headlights,high or low beam. ive replaced the relays in the distribution block checked all fuses. What am i missing or ...
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192 views

Is it necessary to clean underhood relay and fuse box from dusts?

A little history: My Chevrolet Aveo 2007 got into a strange state where it cranked, but did not start. It also had P0340 (Camshaft Position Sensor Code). Since, I did not see stable 12V on the Pink ...
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87 views

ford focus 2003 new starter stays engaged new ignition switch,new wire harness to starter how to test starter relay

I have a 2003 Ford Focus. I recently installed a new starter motor, a new ignition switch, and a new wiring harness. The starter now stays engaged when I try and start the car. How do I check the ...
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7 views

2002 Chevy impala

On my Impala the reverse lights and tag lamp are not working. I checked the fuses and they were good. How can do I know if the relay is bad. How do you test a relay.
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17 views

Alarm horn pulse too short for horn relay, horn sometimes doesn't blow

I just recently installed an aftermarket alarm on a 2002 ram 1500. The alarm is an Avital 3100lx. When testing the lock and unlock functions I noticed that sometimes the horn would not work when ...
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1answer
124 views

Location of Fuel Pump relay on '07 TSX

I'm having frequent hard starting issues & think the problem is the fuel pump relay. However, I have no idea where this is located, presumably under the dash somewhere. Anybody?
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26 views

Avital 2101L aftermarket remote unlock quit working

I have a Ford Ranger 2001 in which I installed an Avital 2101L remote locking system and actuators 5 years ago. It has been working flawlessly until today. The actuators have quit responding to the ...
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34 views

Flasher Relay Wiring Diagram Help

This is a diagram for a flashing relay. Normally used for automotive, I'm curious if I can get it to work with my needs. I want to be able to start and continue the flasher with a 12V output, and ...
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11 views

1988 T-Bird clicking sound when key is on

I accidentally drained my battery so I charged it and went to drive it car died when I went to drive. Now it makes a loud clicking noise and won't stay running. I don't think I put a good charge to ...
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10 views

Jeep cherokee 2004 crd sport Immobilizer relay

i have a Jeep cherokee 2004 crd sport... I am looking for Immobilizer relay part number and position. It seems near impossible to find the info, there not even a 2004 haynes manual regards