LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Fan fuse keeps blowing

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Old Dec 27, 2006 | 02:52 PM
  #1  
camarozz95's Avatar
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From: Sarasota/Tampa, FL
Fan fuse keeps blowing

Well I couln't figure out why my fans weren't coming on then I saw the fuse was blown so I went to buy some new ones and as soon as I turn the ignition in the on position not even starting it it will blow the fuse I tried switching relays around and got the same result....this starting happening out of no where.

I am also running the car in open loop right now since my o2's crapped out after the header install, but the fans were still working fine after that so I don't think thats the problem, also unhooked my fan switch didn't help either so if anyone has any ideas please help thanks.

I have to leave for work soon so can't answer any questions until I get back aroun 10pm
Old Dec 27, 2006 | 07:10 PM
  #2  
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From: Medford MA
check for shorts in the fan wiring and in the relay socket. if theres none there, your fan motor(s) internal(s) might of crapped out. good luck with it.
Old Dec 27, 2006 | 09:16 PM
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nope pulled all the fan relays samething happend could a short in the o2's cause it even though i'm not starting the car?
Old Dec 27, 2006 | 09:46 PM
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O2s, EVAP and EGR solenoids are all on that same fuse. My bet is that you have a burnt O2 wire that is grounding on a header.
Old Dec 27, 2006 | 09:52 PM
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camarozz95's Avatar
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ok thanks shoebox ill check it out in the morning I have a feeling its that too
Old Dec 28, 2006 | 12:02 PM
  #6  
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Yes it was an o2 sensor short but it was not burned to my header it was my crappy splicing job on the pass. side so I ordered new o2's and extentions thanks again
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