76 electrical probs
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1st Gear
Joined: Jun 2015
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76 electrical probs
i have a 76 and have replaced the turn signal switch, upgraded both flashers and bwhen the right turn signal or emergency flashers are used the fuse pops, anybody have any clue wher to look next or have a line for troubleshooting, the left turn signal works fine and the right will flash once maybe twice.. HELP me im goin crazy
Le Mans Master
Joined: Aug 2006
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From: mount holly NC
2025 c3 ('74-'82) of the Year Finalist - Unmodified
2019 C3 of Year Finalist (appearance mods)
What was the problem with the old turn signal switch and did replacing the TS switch fix that problem?
Race Director
Joined: Apr 2009
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From: Charlotte NC
With your hazards on...you are lighting up your right turn signal light bulb...so that is why it is blowing the fuse....the reason the LEFT side is working is BECAUSE that circuit is OK. SO if you LEFT side will blink until you drain the battery....then you KNOW you flasher is fine...so that is NOT an issue.
You have a problem in your right turn signal circuit. It may be in the column...or a wire in the system some wheres else. AND you will be wanting to look at BOTH wires coming out of your turn signal switch that work your fight turn signals ( front and rear)
You can disconnect your rear body wring harness connector that powers up your rear taillights and check your turn signal and see if the fuse blows. IF it does not...and the right turn signals in the front work perfectly...then you have an issues in your right rear lights somewhere.
ALSO....the same filament in the bulb that makes your turn signal shine...is the SAME filament that makes your brake lights shine. PRESS you brake pedal and I bet it should blow that fuse.
DUB
You have a problem in your right turn signal circuit. It may be in the column...or a wire in the system some wheres else. AND you will be wanting to look at BOTH wires coming out of your turn signal switch that work your fight turn signals ( front and rear)
You can disconnect your rear body wring harness connector that powers up your rear taillights and check your turn signal and see if the fuse blows. IF it does not...and the right turn signals in the front work perfectly...then you have an issues in your right rear lights somewhere.
ALSO....the same filament in the bulb that makes your turn signal shine...is the SAME filament that makes your brake lights shine. PRESS you brake pedal and I bet it should blow that fuse.
DUB
Race Director
Joined: Apr 2009
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From: Charlotte NC
But if you are going to check the dark blue wire to see if it is going to a ground...you must remove the light bulb in the rear...and remove the one in the dash (tachometer) for your indicator. IF you do not...the dark blue wire will show to be grounded...and this is because it is getting a ground path through the filament....which is also attached to the brass socket of the bulb itself...that goes to a ground to make the bulb work.DUB
Race Director
Joined: Apr 2009
Posts: 19,294
Likes: 2,753
From: Charlotte NC
If a person is going to do work on their Corvette.....outside of the tools they will need to get the job done correctly ( such as a volt/ohmmeter)....they need to have a wiring diagram and know how to read it.....an assembly manual...and a GM service manual.
So if a person is reading this and 'you' fit into this category...and do not have any information sources that will aid you....I suggest you spend some $$$ and buy them.
Nothing is worse than trying to help someone who does not have the simplest of things to help THEM out.
DUB
