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-   -   Headlight Relay (https://www.thirdgen.org/forums/electronics/598408-headlight-relay.html)

12-29-2010 01:44 PM

Headlight Relay
 
I need to find out what the headlight relay number to go to the store and buy a new one is. I own a 91 camaro 305 v8 need a number or advance auto part number or autozone


Also I can't seem to find it looked threw my manual's

12-29-2010 02:36 PM

Re: Headlight Relay
 
It's only missing the buzzer???? thats it? and also it has these two things where fuses can go

NINÅ 12-29-2010 02:38 PM

Relay Race
 
You only have a headlight relay if you’re stuck with the daytime “running” lights circuit, most of those cars are in Canada.


Happy Racing!



8 Wheels Corner Better Than 4, If You’re On The Outside You Have Fair Warning

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12-29-2010 02:42 PM

Re: Headlight Relay
 
Ok NINA i need a reply asap then. Why would my highbeams flicker do i need to replace the headlight switch?? please get back to me on what i need to do thanks.

NINÅ 12-29-2010 02:56 PM

Relay Race
 
If the flicker is more like a steady on and off blink that means the circuit breaker which is located in the light switch is overloaded or defective.

If it really is a flicker like a loose wire you can wiggle wires in that area till you find the bad one.

You can determine if it’s overloaded by connecting an ammeter in line with the
12 AWG red wire going to it.

With the brights on, if you see more than 20 amps, something is tied or shorted to the circuit which isn’t supposed to be.


Happy Racing!



8 Wheels Corner Better Than 4, If You’re On The Outside You Have Fair Warning

.


12-29-2010 03:13 PM

Re: Headlight Relay
 
Well i upgraded to the H4 light bulb and hooked up the adapters it makes my highbeams flick on and off slowly after 25 mintutes of high beams being on.

Al Hasse 12-29-2010 07:15 PM

Re: Headlight Relay
 
That H4 upgrade may well be the cause of your "flicker". Your headlight switch can't handle the extra current draw of the brighter lights and its breaker trips until it cools down enough to complete the circuit once again.

There's a nice topic in the tech articles on the home page for upgrading your headlights. It includes how to add relays to your harness which will keep what you're experiencing from happening.

Go here..

https://www.thirdgen.org/headlightupgrade

There, you'll find how to build this upgrade to your headlight wiring harness...

https://www.thirdgen.org/tech/images/schematc.jpg

12-29-2010 07:28 PM

Re: Headlight Relay
 
Sound's good Thanks for the help everyone.

GMUNDY 03-29-2012 07:18 PM

Re: Headlight Relay
 
i have a1989 Pontiac Firebird GTA and the driver side motor does not seem to be getting any power to it. I plug it into the passenger side and it spun around, but I
plugged it back into the driver side it di nothing and made no noise like no power was getting to it

NINÅ 04-02-2012 04:23 PM

Need More Dooor
 
The left and right headlight are doors are controlled by different parts of the module.

Either the module is defective or there is a break/bad connection in the wiring from pins 2C & 2D of the module to the left motor.


Happy Racing!



Rule Number 1 Is To Know Which Rules You Can Break

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