Question about 1995 Chevrolet K2500

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All lights work except headlights no power to headlights

I replaced lightswitch it has plow replaced relays, wire plug by firewall has power to parking lights and turnsign.

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6 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 40 Answers

SOURCE: dash and tail lights don't work

if it is only your tail and instrument lights you need to replace your park light fuse in the fuse box...

Posted on Nov 25, 2008

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SOURCE: headlights wont come on, but parking lights work...i dont get it

Was sent in by another poster, just posting his results which fixed mine. Problem was relay $50.00 at GM only.

Check the relay module. 45 or 46. on the engine relay block. you can swap the two they are the same part number, then you will know. Dont start the engine, just check the lights. If it works replace the relay module. You may have to order the part from the parts store. Or go to the dealer to get it.

Posted on Mar 25, 2009

  • 6 Answers

SOURCE: I need a wiring diagram for 1987 Chevrolet 3/4 ton

The Haynes repair manuals usuall have wiring diagrams in the back of book.Around $20.

Posted on Oct 16, 2009

kapishtech
  • 2272 Answers

SOURCE: 2003 chevy impala. No headlights,

Try turning the car off then set the brake and turn the car back on. ---------- If this is not helping then try this procedure :--- Take off your driver side headlight, and check the ground wire, that attaches to the chassis.the bolt that attaches the ground wire to the chassis, take that off, sand it and clean it up, also sand the chassis where that connector touches the car, that will make for a better ground. you also may want to follow those wires, to see if there are any other locations where the headlights are grounded. Also as you mentioned that the lighhts use to work when the switch gets pulled and not the lights not turning off.This indicates loose wiring connection for the switch ot the switch itself is malfunctioning.if all other things checked ok then its confirm faulty switch. this switch has to be "clicked" to be in a stable state. Meaning, if you go from dim to bright and don't hear and feel a click, the switch ends up in a "maybe-kinda-sometimes-works" type of state. It's not quite bright and not quite dim. You will hear the click. --------- Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

Posted on Aug 16, 2010

dj_relly999
  • 4070 Answers

SOURCE: I have a 2000 C5

Hi and welcome to FixYa!

Like all other motorized headlamps there surely is a relay. The relay will be on the passenger side inline with the fender but I doubt that it's a relay you hear. The common issue on this one is when the headlight motor is about to go bad. I guess you have to be ready for that.

Hope this helps and thank you for using FixYa! Have a good one!

Posted on Jan 17, 2011

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I have a 1999 saturn sl1 and my tailights and dashlights quit working. i changed the fuse and it blew. so i changed the fuse again and it lasted about three minutes before it blew again. where do i start...


Okay, these are hard to find. I assume you have no problem when you do not have the Tailights on? This would mean problem could run all the way to rear taillights.

But if the problem is not related to putting power through the wires to the taillights it is under the dash area. You would have a short from the power supply to the lightswitch. You have a Relay for the lights in the Powerbox.

Go to Autozone.com Website and register your vehicle for a free wiring diagram and Powerbox layout.

You can then see for yourself about how the dashlights are grouped with the taillights. You could have a bad Relay.

Look at how the taillights get their power and this will show you a color/coded path from the front to rear of your car. As I said earlier, it is important to know if the lights only short when they are turned on by the headlight switch.

If they short out all the time, regardless of the headlight switch being on or off, then the short is more towards the front, between the dash and Relay or the Relay itself.

Use the built-in cutoff points as a way of eliminating the shorted part. The headlight switch is a cutoff point. Power rearward is halted with the except of the Brakelights. If the Brakelights work fine, the bulb sockets are probably grounded properly.

If the fuse pops with the headlamps off, the power is not going rearward and you are okay.

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On my 1997 gmc truck when plow light switch is turned on one truck headlight goes out and plow light on that side comes on but other truck headlight stays on and that plow light does not come on..


This is just an idea, I may be wrong but any input is helpful, right? I would think that the switch that controls the plow lights is designed to alternate between the circuits for the truck light and the plow light. If the trucks headlight switch is turned on then the circuit is closed and turnes on the light. When the plow light switch is turned on it may cut the hot side of the circuit going to the headlight and engage the hot wire to the plow light. The headlight and plow light may share a common ground. If they don't share a common ground then the plow switch may cut the ground wire opening the circuit. If you can't find a solution you can always wire the plow lights directly to the battery with the same switch or a new toggle switch and then turn on the parking lights only on the truck. On most GM cars and trucks there is a space in the fuse pannel that is for a power accesory. It is basically a fuse slot that is empty labeled ACC. This is a 12V hot power source and you would run the positive wire here then ground the neg to the chassis. This way if you forget to shut off the toggle it will cut the hot when the key is shut off. When running the wire it is near the hood release able and you may be able to run the wire thru there and not drill a new hole. I've done this for neon lights under cars as well as stereo systems requiring an amplifier. If you drill a new hole even though its under the hood I would put a little blue RTV silicone over the new hole to prevent moisture from getting past the fire wall or road salt.

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Blowing fuse


hi take the fuse out replace with a temparary test light turn your headlights on if there is a short the light will light up so what you need to do now is disconnect the headlights one at a time until test light goes out when testlight goes out you know this is the faulty headlight if the test light stays on disconnect lightswitch connecter see if testlight goes out if so replace switch if it stays on find headlight relay remove it see if test light stays on if it does then there is a short in the wiring which is very rare yates210456

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