Possible short in circuit misfires and smokes when I put in twenty watt fuse

1986 PONTIAC BONNEVILLE
65,160 MILES • 5.0L • V8 • RWD • AUTOMATIC
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ROB MAJOR
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I have had problems with it lately and its driving me insane! I had a twenty watt fuse in it that controlled my cars computer, analog clock,horn,courtesy lights, floor lights etc. I was have problem while the fuse was in so I unplugged fuse. Car ran great. I put fuse back in and problem starts again! Misfires and smokes! When I take fuse back out runs fine again please help me!
Oct 7, 2016 at 11:48 PM
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HMAC300
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check for a short in that circuit it is problably not giving ecm enough power causing your problem.
Oct 8, 2016 at 7:26 AM
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ROB MAJOR
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I just went to an automotive electric shop and got everything fixed. Car has blue smoke, is this a bad sign?
Oct 8, 2016 at 7:51 AM
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HMAC300
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if it is out the tailpipe it can be valve seals or maybe rings, normally it is valve seals. they can be fixed on car so check pricing also check your PCV valve and for the hose being blocked that can cause it as well.
Oct 8, 2016 at 8:28 AM
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ROB MAJOR
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Thank you so much man! I will try that and keep you updated. thanks a million!
Oct 8, 2016 at 8:44 AM
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SATURNTECH9
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You forgot to tell us what the problem was they found?
Oct 8, 2016 at 3:46 PM
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ROB MAJOR
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Valve seals and carb going bad it is leaking
Oct 11, 2016 at 10:11 AM
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ROB MAJOR
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Also head gaskets need replacing
Oct 11, 2016 at 10:12 AM
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SATURNTECH9
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Wow that's a lot of repairs thanks for the update.
Oct 11, 2016 at 10:38 AM