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1973 Trans Am. New Tail Light Harness; New Front Light Harness; New Bulbs; New Blinker Relay.
In the garage with the key in the accessory position all blinkers (left and right, front and rear) work correctly and both directions will blink for as long as you leave them activated. I can turn on the marker lights and headlights with either blinker direction activated and everything continues to work as it should. With the car running, the blinkers will work fine - both left and right - for the first 3-4 uses then they stop working. Get back to the garage and slip in a fresh 20 Amp fuse and everything works as it should. So the blinker relay survives the fuse blowing as do all bulbs. I have swapped out a couple different sets of 1157 and 194 bulbs to try to eliminate the possibility of a sketchy bulb. Problem persists. I know the turn signal circuit includes the reverse lights and I have read multiple threads on various forums that swapping the reverse light switch on the transmission solved a similar problem. (This is a manual trans car) But - if I put the key in the accessory position and slip the car into reverse, both reverse lights come on, they do not flicker and they do not cause the fuse to blow. With that info, am I able to eliminate the reverse light switch as a possible culprit? I may be digging into the steering column - but it seems odd that both directions work just fine for as long as you care to leave them on with the key in the accessory position - and the fuse only blows when the car is running. Seems like if I had a short in the steering column blinker switch / harness, it would blow the fuse in the garage with in the key in the accessory position, too. Any thoughts are greatly appreciated. |
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