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40 amp Cooling fan Fuse Keeps Blowing

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Old 05-22-2012, 05:20 PM
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Default 40 amp Cooling fan Fuse Keeps Blowing
The 40 amp Cooling Fan fuse keeps blowing on my 99 T A and i have no idea why. I have replaced it twice and even tried putting a 30amp in but that blew as well.

ALL Suggestions/Help are appreciated, its driving me insane!!
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Old 05-22-2012, 05:35 PM
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Has your engine been running hotter than normal before this started ?
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Old 05-22-2012, 05:48 PM
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is the relay stuck?


i know when i wired in a mark 8 electric fan into my lightning and did away with the clutch fan i had to have a relay... the mark 8 fans draw something like 40-60 amps and a spike amperage of 80 on startup... i was poping 40 amp fuses on the low setting lol

then again they flow something like 2200 cfms...

anyway... back on topic... if the relay is stuck on it wont allow for the sudden surge of amperage and pop the fuse...
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Old 05-22-2012, 05:49 PM
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Check the connectors at the fans and wiring on back, also do the fan blades turn easily by hand?
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Old 05-22-2012, 09:15 PM
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Originally Posted by 99Bluz28
Has your engine been running hotter than normal before this started ?
Yeah it has been running a little hotter
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Old 05-23-2012, 07:31 AM
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"anyway... back on topic... if the relay is stuck on it wont allow for the sudden surge of amperage and pop the fuse..."

Huh????
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Old 05-23-2012, 10:13 AM
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Originally Posted by SVTconfused
is the relay stuck?


i know when i wired in a mark 8 electric fan into my lightning and did away with the clutch fan i had to have a relay... the mark 8 fans draw something like 40-60 amps and a spike amperage of 80 on startup... i was poping 40 amp fuses on the low setting lol

then again they flow something like 2200 cfms...

anyway... back on topic... if the relay is stuck on it wont allow for the sudden surge of amperage and pop the fuse...
How will i know if the relay is stuck on??
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Old 05-23-2012, 10:38 AM
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Originally Posted by 99Bluz28
Check the connectors at the fans and wiring on back, also do the fan blades turn easily by hand?
Yeah the connectors/wiring seem to be fine and the fan blades turn easily... is any thing else i should check?
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