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64 1/2 mustang - turn signal issue

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Old 12-16-2012, 08:59 PM
  #11  
Nutball
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Originally Posted by Nutball
Sorry for the slow reply, I was travelling on business.

So I disconnected the turn signal switch (note: mine has individual bullet connectors - not one large connector) and rang out the car-side wires. I am showing four wires connected to ground:
green-orange, green-white, white-blue, and orange-blue. Each of these wires measured < 10 ohms to ground. All other wires measured no connects.

I am not sure how I could go from a working turn signal to four shorted wires in the middle of a drive.
I don't know how to edit posts so i am posting this follow up. I had originally assumed that a resistance measurement of ~6 ohms to ground meant that the wire was shorted but I am thinking that that would be normal. I measured a new bulb and got just under 3 ohms across its element so I guess my ~6 ohm measurements were normal.

So does this correction imply that a faulty switch is the only likely cause? I hope not, since I just replaced the switch. This would me my old switch and the new switch are both bad.

-Notball
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Old 12-17-2012, 03:07 PM
  #12  
jlg2002
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So you can with a jumper wire check each one of these wires individually for lighting with a 10 amp fuse (max) inline between your source and the circuit. Your numbers look ok to me so i suspect your new switch is either bad or you've somehow got a miswire in the disconnect.
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Old 05-11-2013, 09:46 PM
  #13  
Nutball
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It just dawned on me that I never updated everyone with the issue. After chasing my tail for a while, I basically gave up. Then...

I pulled the fuse panel off to address a separate issue with my radio. I rechecked all my fuses while I was working on it (they were all fine) and low and behold the turn signals started working again. I remounted the fuse panel in triumph and went to bed. The next morning I started up the car and the dang turn signals stopped again. After more debugging, the issue was simply corroded connections in the fuse panel. 10 seconds with a wire brush and the problem was solved. Feel a bit foolish, but at least I have a two extra turn signal switches and a spare set of bulbs now.

Thanks,
Nut
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