CORRECT CONNECTION FOR CHECKING LED POLARITY FOR 67 BARRACUDA INSTRUMENT CLUSTER
Red dots are the cir board trace the feeds 12v to the gauge lights
Look for similar on the other cir board.
Or post another photo of the other board
If you are changing the turn signal and brake warning lamp follow the same basic paths, one side of the lamp will go to a ground / screw.
Exception.... Brake warning lamp has a 12v feed and an out put to the brake warning light switch to ground.
So that one you will need to get a wiring diagram to determine polarity.
Red dots are the cir board trace the feeds 12v to the gauge lights
Look for similar on the other cir board.
Or post another photo of the other board
If you are changing the turn signal and brake warning lamp follow the same basic paths, one side of the lamp will go to a ground / screw.
Exception.... Brake warning lamp has a 12v feed and an out put to the brake warning light switch to ground.
So that one you will need to get a wiring diagram to determine polarity.
