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Blowing ur Fuse! 

 

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 Post subject: Blowing ur Fuse!
Posted: Sat Jan 20, 2007 8:38 pm 
Parts Gopher
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Hi all how is u all cruising? Fantasticly Ford i bet.
I was wondering if any of ya's know what could b causing me fuses ta blow? I am running twin thermos in an ED ,heaven knows i even posted pics 4 u all ta c! I have two 30 amp fuses installed,one 4 the air con and 1 for the twins 2 come on when she get hot.Doh! Well they're both popping.More so the fuse when both come fans come on.I am guessing s**t fuses, underpowered alternator or a bad earth or the fact that i am cranking some serious BASS!Let the car over heat ,gotta have sound!!!!No seriously is there a alternator upgrade?Mine is only standard 70 amps i think? But reconditioned when i did the fan install. Any help would b appriecated.C u on the road peoples.Thanks ahead.
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Posted: Sat Jan 20, 2007 8:54 pm 
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im thinkin ur wiring is earthing somewhere. check all ur wires, rip out, and redo

 

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Posted: Sat Jan 20, 2007 8:54 pm 
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I think you can get 85 to 90 amp alts for them.

 

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Posted: Sun Jan 21, 2007 4:16 pm 
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cant imagine ur alternator would be the reason ur fuses would blow. a fuse blows due to an overload of current, not lack of. how did u wire up the thermos? does the fuse blow as soon as they turn on intermittantly?

 

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Posted: Mon Jan 22, 2007 11:01 pm 
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I wired up the harness one fuse to the fans coming on together and one for the a/c.I put in 2 40 amps today and so far no blown fuses.Hmm i know but i read in here that it was a 30-35 fuse that u use.And u cant buy 35 amp fuses.They have been blowing at all different times.I am hoping this will fix.Also redone earth and that wasn't the problem.
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Posted: Mon Jan 22, 2007 11:30 pm 
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He's not saying redo the earth he's saying the wiring is earthing somewhere it's not meant to, i.e between the fuse & the fan. Make sure everything is insulated properly as vibration may cause an intermittent short circuit.
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Posted: Mon Jan 22, 2007 11:43 pm 
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Did you put the fans in yourself?
if so did you use relays?
if not thats your problem, the fans upon start up are drawing alot more than 30 amps.
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Posted: Wed Jan 24, 2007 10:14 pm 
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Hi i did the fan installation myself .Am running 3 relays . Since i put in 2 40 amp fuses there have been no problems.Thanks 4 ur replies I keep u posted.
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