You should have 3 wires, hot, ground, and ign. signal. Tap power from the fuse box in the side of the dash, find one that only has power when the key is on. You want to connect to the output side so if you have a short the fuse will blow ( I also used an inline fuse to the shiftlight just to be safe. )/ There is a bolt under the lower dash panel this is used for common grounds on the dash. The light feed is connected as listed below:
On an LT1 car:
Option 1: There is a small box ( about 1" square ) on the wiring harness to the ign. module, that is the Tach filter. it's within 6 " of the plug that goes into the ign. module. Tap into the black/white wire there.
Option2:
Tap into the ECM feed.
http://raptorperformance.com/Install...tall_guide.htm
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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