Pontiac Trans Am

Why does the dash fuse blow when the headlights are turned on a Trans Am?

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2008-05-04 21:26:04
2008-05-04 21:26:04

The dash lights and the tail lights are on the same fuse. In all probability, you have a short circuit in the tail light wiring.

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Sounds like you might have a bare wire under your dash or behind your instrument cluster that is shorting out causing your fuse to blow


Rotate the headlight switch knob left or right with headlights turned on.


the dash and radio lights are supposed to dim when the headlights come on. Make sure you have the brightness of the dash lights turned up as much as possible.



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unless your dimmer is turned down..... blown fuse or bad headlight switch. that's about it..


Yes they should , they stay on all the time , while the ignition is on all the best Fester


Check the bulbs - they are double filamented larger for tailights and smaller for stop/turn Check the fuse for parking/tail and dash lights


The headlights place a larger load on the battery and cause the voltage to drop enough to dim other devices slightly.


The instruments light dim for night driving when the headlights are turned on. Check to insure that your dash dimmer switch is on high. If it is, then you have a problem with either the dimmer switch or the wiring.


my headlights work but my taillights and dash light dont work whats wrong



You have grounded to the radio light wire, not the ground. It is a negative wire that is in the harness, and when you turn on headlights you blow the dash lights. Remove your radio ground from the car, and find a new ground. It should be a large black and green wire (larger than all the others). replace the fuse, and turn on the lights...you will see your old ground wire is actually hot now. Common mistake, and it tests like ground wire with lights OFF, but not on. Relentless


Check the fuses. There's usually a separate switch for the dash lights, which willmake them brighter or dimmer. It may be turned down too low. Check to make sure parking lights work as well, if they do not then could be the headlight switch as there was a recall on them.


It depends on what year Malibu you have. But 1997 and newer chevy Malibu's all have automatic headlights. So leave the light switch turned on auto. The older ones have a knob to the left of the steering wheel. Twist it if it's on the steering column or if it's on the dash pull it.


read your owners manual. or maybe it's because the headlights take alot of power.


Most likely, the dash light dimmer is turned all the way down. That particular dimmer only comes into play when the headlights are turned on. Try turning it back up. did you find out what was wrong with the dashboard im having the same problem


Man vehicles have the dash lights and tail lights wired through the same fuse. Check your fuse box for the dash or tail light fuse. Something has most likely caused it to blow.



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