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#1 |
Registered User
Join Date: Nov 2013
Location: ATLANTA
Posts: 223
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Turn signal wiring and blowing fuse
Good afternoon. I have a 1975 Chevy Blazer. When the left turn signal is engaged the fuse blows. The right turn signal works great, zero issues. The left turn signal uses a Yellow wire. I have come to this conclusion because the right turn signal works great and will NOT blow the fuse. The fuse only blows when the left turn switch is used.
I assumed a short directly to ground in the yellow wire but I'v been unable to find one. Any advice? |
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#2 |
Senior Member
![]() Join Date: Oct 2014
Location: Ohio
Posts: 6,926
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Re: Turn signal wiring and blowing fuse
I had this issue too. The wire casing gets dried and cracks, exposing the wires. So it is shorting out because it's touching metal on the inside of the column. I saw how bad mine was, when i changed out the turn signal stalk with a new one. I had several places were the wiring was exposed.
I wish I had taken a picture of it, I could have posted it.
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#3 |
Registered User
Join Date: Jun 2013
Location: Somewhere
Posts: 3,073
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Re: Turn signal wiring and blowing fuse
Take the bulbs out and see if it blows. I bought a truck w/ aftermarket front signal sockets and the cheap things would short. After that, its tracing the wiring. Pain in the rear...
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#4 | |
Moderator
![]() Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,950
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Re: Turn signal wiring and blowing fuse
Quote:
The other place to look is the bulbs. Take all four out and see if the fuse blows with no bulbs in place. I've had cheapies short internally.
__________________
1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
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