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fraws
12-11-2004, 06:51 PM
Does anyone ( :scream: ) know where the wire is that controls the automatic lighting option found in the late model grand ams (03).. I have hard wired three new guages from Autometer the coblat series :) and I want to tie the white wire into this option so when the lights turn on in auto mode the guages will follow..

Anyone? :whistle:

Malaclypse
12-11-2004, 07:14 PM
Tap into the gray wire (pin E) at the IP Dimmer switch. It should be on the left side of the wheel about level with the column. Tapping in there should give you dimming on the gauges as well as automatic lighting.

Buy a testlamp and make sure that's going to work for sure. Never installed gauges on a Pontiac before..

fraws
12-11-2004, 07:24 PM
Gently remove the wiring harness from the dimmer switch. With the harness removed, I used an inline wire tap to connect a 14 gauge wire lead to the dimmer circuit. The dimmer circuit is the GRAY wire in the harness. I then ran that wire up to the gauge pod and connected the lead to the black wires on the gauge lamps.

http://www.grandamgt.com/gaugelighting.html

:cook: