blinker issues

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thebeast73

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My blinkers aren't working on my 73 and having issues figuring it out. My hazards work, and I put a new flasher in the fuse box for the blinkers, and when I turn on the switch the break light for that side stops working, but it won't blink. Could it be a grounding issue or something else?
 

89Suburban

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My blinkers aren't working on my 73 and having issues figuring it out. My hazards work, and I put a new flasher in the fuse box for the blinkers, and when I turn on the switch the break light for that side stops working, but it won't blink. Could it be a grounding issue or something else?

^^^This.
 

kdo58

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buy a new light socket, i ad a pigtail ground wire from the socket for good measure.
 

chengny

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Do the front directionals blink normally - and it's just the backs that don't?

It doesn't sound like a grounding issue. The hazards work - correct? If you have a good enough ground for the hazards, it stands to reason that it should be good enough for the directionals as well.

when I turn on the switch the break light for that side stops working, but it won't blink.

That is with the brakes on - right? How about just the directionals by themselves - without the brake lights on - do they work then?

What if you turn on the hazards while the brakes are on - do the rears flash like that?

Here is the diagnostic chart for "no directionals at all". If the hazards work, but the blinkers don't, there are basically only two realistic answers as to why (and they both suck):

You must be registered for see images attach


A messed up MFS or a wiring problem -(and that is usually within the steering column).
 

thebeast73

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custom deluxe 10
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crate 350
Thank you sir. I'll check that out when I get back home in a few weeks.
 

thebeast73

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And no, no signals at all, front or back
 

thebeast73

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Got it all lined out, just needed the fuse box cleaned out a little. Gonna go get an inspection today. Thank you guys though
 

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