| I just wired my boost gauge and I pulled the dash trim and the guage cluster and tapped into the wiring harness that plugs into it. You can take your wire from the gauges and plug it into the harness to find the wire that controls the dash lights. For my truck it was a red wire.
__________________ 2004 Chevy 2500HD EC Short Box w/LB7 ZF-6 speed 
255/85-R16 Remington Mud Brutes on factory rims with 2" Lift Front and Rear
Straight piped. Kennedy Air Box Mod. AFE Drop-In Filter. CrankitupDiesel Tie Rod Sleeves AmsOil Severe Gear Front and Rear Diffs
Autometer Phantom II Boost and Pyro w/ overhead console mount FUTURE UPGRADES
Exhaust 4in Turbo Back
EFI Live w/DSP5
Cognito Braces/Upper A-arms And the list goes on and on |