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Why does my turn signal fuse keep blowing? I have no turn signals.

Tiny
CHEF1
  • MEMBER
  • 1994 CADILLAC DEVILLE CONCOURS
  • 165,000 MILES
My turn signals and flashers stopped working, I took it in to my mechanic and he told me it was the turn signal switch. I replaced the switch. Before this the fuse was blowing for the turn signals. So I replaced the switch and fuse, then I turned the car on and the turn signal worked momentarily and stopped. So I checked the fuse again and it blew. What next? I dont know if theres a short or what. What do I do?
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Saturday, February 11th, 2012 AT 10:07 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The wiring is shorted out before or after the switch
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Saturday, February 11th, 2012 AT 10:13 PM
Tiny
CHEF1
  • MEMBER
  • 3 POSTS
I just put a brand new turn signal switch in. Do I follow the wiring from the connector to the fuse panel in the trunk?
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Saturday, February 11th, 2012 AT 10:31 PM
Tiny
RASMATAZ
  • MECHANIC
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Check it at the connector to the fuse block
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Saturday, February 11th, 2012 AT 10:56 PM
Tiny
CHEF1
  • MEMBER
  • 3 POSTS
Thank you for your imformation, turns out that the fuse that was rated for the system is the wrong fuse, it says it requires a 10 amp. Checked the box with amp. Meter and it turns out to require a 20 amp. Fuse. So much for schematics in the book. Thank you for your help. Turn signals are working fine now.
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Wednesday, February 15th, 2012 AT 8:40 PM
Tiny
RASMATAZ
  • MECHANIC
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Your welcome
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Wednesday, February 15th, 2012 AT 9:36 PM

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