I had this problem once before and I managed to temp fix it. My headlight switch is not getting power. I ran a direct wire from the Bat to the positive wire on the switch and it works with out any problems. My question is:
on a 91 firebird 3.1
Is their an in line fuse or relay that may be causing me not to have power with out the added direct wire i put in. I have replaced the dimmer unit, "guide" box that controls the headlights. I have replace 2 inline fuses in the engine bay but can not locate anymore.
Relays, I replace 2 near the heater fan and the one that controls the fuel relay. I have not replace the AC relay or the other one next to it. these replacements have been within the last 4 months
Im wanting to fix this and get rid of the temp wire I installed. I have looked at several wiring diagrams and can not locate any reason as to why Im not getting power.
Any thoughts?
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Headlight/dimmer switch no power on 1991 Pontiac Firebird
#2
Posted 26 August 2010 - 08:47 AM
Can you post the wiring diagrams you have? I don't have anything on a '91.
"Simon, you finally moved on from those punk-a** V6s and turbo 4-cylinder cars." -- Mike R.
THERE IS NO REPLACEMENT FOR DISPLACEMENT.
1993 Pontiac Firebird Trans Am..."Abygail"...Black...5.7L LT1 OHV V8...4L60
* 1990 Pontiac Bonneville Delco-Loc AM/FM Stereo Cassette with Equalizer "UT6" * 2002 Pontiac Firebird Monsoon amplifier retrofit (12 speakers!) "W54"
* DICE Electronics i-FM-RDS-USB Pro FM modulator * 1999 Chevrolet Camaro Medium Gray cloth interior with Flame Red accent cloth "73B"
* Sirius SC-C1 satellite radio tuner * 1990 Pontiac Bonneville Graphite leather-wrapped steering wheel with electronic accessory control "NP5" + "UK3"
* 1993 Pontiac Grand Prix Heads-Up Display retrofit "UV6" * 1989 Pontiac Bonneville Electronic Climate Control retrofit "C68" (Coming soon?)
1992 Pontiac Richard Petty Special Edition Grand Prix SE..."Robbyn"...Neon Blue Metallic...3.4L LQ1 DOHC V6...4T60E
UB3 digital cluster, UP3 CD player, 10-disc changer, DIC, HUD, SGS switch, Firebird Monsoon amplifier (10 speakers!), etc.
1995 Pontiac Grand Am SE..."Missy"...Bright Aqua Metallic...3.1L L82 OHV V6...4T60E
Pontiac Firebird UW2 amplifier, sail panel tweeters, UP3 CD player, etc. (The only 8-speaker '95 Grand Am?)
1992 Oldsmobile Toronado Troféo..."Norma"...Light Driftwood Metallic...3.8L L27 OHV V6...4T60E
Olds 88 UT6 cassette player, Remote CD player, Chevy Camaro Monsoon amplifier in 2013?.
1992 Oldsmobile Cutlass Supreme SL..."Stormi"...Bright Red...3.1L LH0 OHV V6...4T60
UB3 digital cluster, UQ3 amplifier, Audio Bass Control slider, U1C CD player, Driver Information System, leather AQ9s, etc.
1992 Buick Riviera..."Josephine"...Sapphire Blue Firemist...3.8L L27 OHV V6...4T60E
(Newly acquired)
"NERDS? I MAKE NERDS JEALOUS. NERDS THINK ABOUT THE THINGS THAT I DO."

THERE IS NO REPLACEMENT FOR DISPLACEMENT.
1993 Pontiac Firebird Trans Am..."Abygail"...Black...5.7L LT1 OHV V8...4L60
* 1990 Pontiac Bonneville Delco-Loc AM/FM Stereo Cassette with Equalizer "UT6" * 2002 Pontiac Firebird Monsoon amplifier retrofit (12 speakers!) "W54"
* DICE Electronics i-FM-RDS-USB Pro FM modulator * 1999 Chevrolet Camaro Medium Gray cloth interior with Flame Red accent cloth "73B"
* Sirius SC-C1 satellite radio tuner * 1990 Pontiac Bonneville Graphite leather-wrapped steering wheel with electronic accessory control "NP5" + "UK3"
* 1993 Pontiac Grand Prix Heads-Up Display retrofit "UV6" * 1989 Pontiac Bonneville Electronic Climate Control retrofit "C68" (Coming soon?)
1992 Pontiac Richard Petty Special Edition Grand Prix SE..."Robbyn"...Neon Blue Metallic...3.4L LQ1 DOHC V6...4T60E
UB3 digital cluster, UP3 CD player, 10-disc changer, DIC, HUD, SGS switch, Firebird Monsoon amplifier (10 speakers!), etc.
1995 Pontiac Grand Am SE..."Missy"...Bright Aqua Metallic...3.1L L82 OHV V6...4T60E
Pontiac Firebird UW2 amplifier, sail panel tweeters, UP3 CD player, etc. (The only 8-speaker '95 Grand Am?)
1992 Oldsmobile Toronado Troféo..."Norma"...Light Driftwood Metallic...3.8L L27 OHV V6...4T60E
Olds 88 UT6 cassette player, Remote CD player, Chevy Camaro Monsoon amplifier in 2013?.
1992 Oldsmobile Cutlass Supreme SL..."Stormi"...Bright Red...3.1L LH0 OHV V6...4T60
UB3 digital cluster, UQ3 amplifier, Audio Bass Control slider, U1C CD player, Driver Information System, leather AQ9s, etc.
1992 Buick Riviera..."Josephine"...Sapphire Blue Firemist...3.8L L27 OHV V6...4T60E
(Newly acquired)
"NERDS? I MAKE NERDS JEALOUS. NERDS THINK ABOUT THE THINGS THAT I DO."

#5
Posted 19 August 2011 - 01:24 PM
are you sure that a wire isn't hanging off of the starter?
Thats where the switch gets its power from.... and you should also check the fuseable links while you are at it. One might have burned up
Thats where the switch gets its power from.... and you should also check the fuseable links while you are at it. One might have burned up
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