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Posted

hy .. I have one question ...

I just finish to swap my GTP manual .. and I just buy a shift light ...

but I don't find de tach signal ..... to connect my shift light ...

 

Where is it ??!! :(

 

thank's !!

Posted

orange wire on the ALDL (plug under the dash used for finding "check engine" codes. hope that helps

Posted

realy ?? cool thank's :)

 

I will search all midnight ... on the coilpack .. and I never find it .. and it's only on ALDL .. lol :P

 

 

thank's :)

Posted

no... that is for a digital dash!!!! isn't it?

 

a 94 gtp would have the white wire feed to the cluster, since the orginal cluster had a tach.

 

are you retorfitting a different cluster in or something?

Posted

Yeah, its a white wire. He said something about trying to locate the wire at the coils. I think there are two white wires in the harness that plugs into the ICM. When I installed a tach on my 92 I just had to hook each one up and see if the tach worked. However, I think the orange ALDL wire will work.

Posted

from my own writeup on a guage swap on my 92 lumina:

http://www.w-body.com/forum/index.php/topic,37037.0.html

For the tach, (D9 White - Tach Wire) this wire is absent from within the car. I discovered that the tack wire is a small gauge white wire in the harness that meets the firewall behind the alternator(the C100-C200 connector!). It does not continue past there into the body. Open up this wire loom and you’ll discover bunch of wires. Only about 5 are small gauge, and the white wire will be obvious. Link it from there and run it inside the car to the cluster. Be sure not to have it run where it will not get damaged and shorted.

- Crazy K
Posted

ahh, didnt know there was a difference. i guess i should have thought for two seconds :leaving:

Posted

thats right !! :)

its the white wire on the coilpack 6 pic plug :P

 

thank's!

 

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