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Need help with dash indicator lights

Geek95

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I pulled my whole cluster out the other day and replaced all the bulbs because I thought they were just burnt out. I have back light ( like headlights are on) and gauges. But no indicator (turn signals) or high beam indicator.

I found a 3 wire plug unhooked under the dash the goes to the cluster and after I snapped it together, the car won’t start, only clicks, but like a relay click, not the solenoid.

The bottom picture shows the wiring diagram from a fisher body manual... it’s the group of three in the middle.

Any wiring guys out there?


0919CF65-C14E-4D39-8059-6BB78AD60A53.jpeg A5C441A8-FC2E-47BB-B14B-0A9B0F3AC149.jpeg
 

melsg5

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what year is the car?
what body is that diagram for?
if you unplug the connector does it start?
 

Geek95

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It’s a 1974 grandville convertible and that’s the wiring diagram for that year car. If it’s plugged in, it won’t start, only the click i mentioned. If I plug it in after I start it, it stays running, but still no lights.
 

melsg5

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With the harness connected, have you tried buckling the seat belts and then tried starting it?
With the harness connected does a seat belt light come on in the dash?
1974 is the infamous year of the seat belt starter interlock.
______________________________
 

Geek95

New member
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With the harness connected, have you tried buckling the seat belts and then tried starting it?
With the harness connected does a seat belt light come on in the dash?
1974 is the infamous year of the seat belt starter interlock.
With the harness connected, have you tried buckling the seat belts and then tried starting it?
With the harness connected does a seat belt light come on in the dash?
1974 is the infamous year of the seat belt starter interlock.

Thank you...that fixed the no start issue... I got the same relay click until I started playing around with buckled seatbelt... heard a larger click and it starts just fine now. Still no signal indicators though.. I think I’m gonna pull the cluster back out and look for a tear or something in that printed circuit
 

cammerjeff

Active member
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Belleville MI
Have you checked the Blinker relay? They tend to stick when not used for awhile, I would check for power to the relay, and if you have 12V there I would back track to the switch. It may be and issue with the circuit board, but I would start with the relay (easy) and then the turn signal switch (not so easy) before going to the circuit board.

when you replaced the bulbs Did the circuit board have any obvious breaks or burn spots?
 
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