Headlight isolation relay
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Junior Member
Joined: May 2012
Posts: 1
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From: Trail BC Canada
Car: 1985 firebird
Engine: 2.8 litre 6cylinder fuel injection
Transmission: 5 speed manual
Headlight isolation relay
I am looking for the headlight isolation relay - probably like many people before. Part number 10038949 - I know they are out of production. Anyone know where I can get my hands on one - or someone who fixs ?
Joined: Dec 2004
Posts: 16,740
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Junior Member
Joined: Nov 2006
Posts: 32
Likes: 0
From: Montgomery, Al.
Car: 1986 Trans Am
Engine: 305 TPI
Transmission: Automatic
Axle/Gears: 2.77
Re: Headlight isolation relay
The best I've come across is this! http://rodneydickman.com/catalog/ind...a48027ade7b155
On Probation
Joined: Apr 2007
Posts: 1,592
Likes: 18
From: Syracuse NY
Car: 84 Z-28
Engine: 305 HO
Transmission: r-700
Axle/Gears: 3:73
Re: Headlight isolation relay
YOu might want to send a msg. to Denny at www.thirdgenranch.com
to see if he might have one.
I don't see one listed at his site so its best to send him a msg.
to see if he might have one.
I don't see one listed at his site so its best to send him a msg.
Joined: Apr 2010
Posts: 405
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From: Montana
Car: '84 Firebird TA & '87 Camaro LT
Engine: 350 V-8 & V-6
Transmission: 700R4
Axle/Gears: 3.23 & 3.42
Re: Headlight isolation relay
Don't Know if BRJ ever got the schematic done for this electronic replacement for the relay in Post #11, but here is the link: https://www.thirdgen.org/forums/elec...-trans-am.html I have a spare relay for my Firebird, but something like this would be great.
Supreme Member
Joined: Oct 2004
Posts: 4,526
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From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: Headlight isolation relay
My friend and I just made one using a diode and standard off the shelf relay worked great. Spliced in a new connector and all is well now
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Junior Member
Joined: Nov 2006
Posts: 32
Likes: 0
From: Montgomery, Al.
Car: 1986 Trans Am
Engine: 305 TPI
Transmission: Automatic
Axle/Gears: 2.77
Re: Headlight isolation relay
So thats good. I decided to buy the hard wire option from Rodney Dickman. Haven't heard back from Denny @ 3rd gen. ranch. I'm a little adamant about cutting the factory wire harness off but there's no real option.
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