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Old 06-26-2014, 01:45 PM
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Deadhead Deadhead is offline
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Join Date: May 2004
Location: VA Murica
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Originally Posted by 70ra455 View Post
Hey Dead ... yeah I read the thread and see the bulbs ... I'm labeling everything on the rally harness now ... not sure if a/c yet ... lol ... but I have another harness in the garage that is rally gauge AND a/c which I need ... but it's an auto on the floor car and not the 4 speed which is in my car.

So because of the bulbs etc are you suggesting that I use the a/c rally gauge harness I have and then adapt it to the 4 speed (is there any adaptation necessary?)

Thanks for your help. It's a pretty interesting puzzle going through the wiring diagrams.

Use the auto console A/C rally gauge harness. That will work best. The console deal just has a plug in for N/S switch and bulb in storage compartment & shift indicator. Jump the N/S circuit, and you may want to use the bulb if you have a 4 speed console.

You will kick yourself HARD if you have to change out the speedo cluster later. Taking dash pad off and snaking all that mess out from behind the dash is major aggravation. I did it last year, to fix my speed alert speedo, which has since gone bad again. Easy fix other than getting it out, which is an all day job, taking breaks to avoid collateral damage.

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13 Smiles per Gallon:
66 Bonneville wagon
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2005 GMC L-33