LT1, 9C1 in trans am GTA
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Junior Member
Joined: May 2009
Posts: 14
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LT1, 9C1 in trans am GTA
Hi!
I have a trans am GTA -87 whit The digital cluster.
Im have a LT1, 9C1 whit original 4L60E transmission, ECU and harness.
Can you help me how to wire upp The cluster!
What do i have to do?
I have a trans am GTA -87 whit The digital cluster.
Im have a LT1, 9C1 whit original 4L60E transmission, ECU and harness.
Can you help me how to wire upp The cluster!
What do i have to do?
Supreme Member
Joined: Jul 2007
Posts: 1,293
Likes: 6
From: Howard Lake, MN
Car: 86 Camaro
Engine: 355- hopefully a 5.3 this summer
Transmission: 700r4
Axle/Gears: 3.42
Re: LT1, 9C1 in trans am GTA
the gauges in the cluster should be independent of the engine control harness, so swap over all sensors from the old engine to the new engine and it should be good to go.
Joined: Jul 2000
Posts: 6,521
Likes: 91
From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: LT1, 9C1 in trans am GTA
The signal from the PCM to the cluster either already is, or can be tuned to use the same 4004ppm signal as your 87 used. You may need to tune for a change in rear gear.
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