Parasite in my 86 Monte

Offthecuh

Offthecuh

Not-quite-so-new-guy
Jul 10, 2020
11
1
Arizona
Im not really knowledgeable when it comes to electrical, so any info would help. I picked up a 86 base monte carlo and the previous owner warned me a out an electrical draw that kills the battery, after testing fuses i noticed the Ignition fuse was broken, i tried putting in another fuse to replace it but it instantly broke, so i believe the short is in the ignition switch, would my next step be to replace it? also this may relate to my short or not but i also noticed my turnsignals dont work when my high beams are on, any help would be appreciated!
 
Offthecuh

Offthecuh

Not-quite-so-new-guy
Jul 10, 2020
11
1
Arizona
After looking at my Chilton book, the ignition fuse leads to my ignition switch, but also the radio fuse! which sparked my memory of the previous owner saying the radio wires were tampered with leading for me to think that the short is in the radio wires, which effectively shorted out the ignition switch, leading to the busted ignition fuse
 
airboatgreg

airboatgreg

Royal Smart Person
Oct 2, 2016
1,984
113
Sounds like a couple issues. Start with the fuse blowing. Look in the owners manual and see what that fuse feeds. My first guess is a shorted cig lighter or maybe a penny in it
 
M

maxi426

Not-quite-so-new-guy
Sep 20, 2018
43
18
Like Fleming says, power to the ignition switch is supplied by fuseable links, not fuses. A shorted switch wouldn't blow fuses. Power for the radio comes from the radio and courtesy light fuses, at least originally. Depends on how badly someone re-engineered the radio wiring. When looking for wiring problems and shorts, it's usually a good idea to start looking where someone else has been.
 
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