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 Posted: 04-06-2009 06:22 pm
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Circmand
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what size fuses does the JH use and where are all the fuses located? Please post or PM or email me

 

I know the 3 fuse box and ave 35s in all 3 but my guy found another one in the back for the tail lights.

Last edited on 04-06-2009 06:23 pm by Circmand

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 Posted: 04-08-2009 02:01 pm
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Brett Gibson JH5 20497
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On my JH5 I have 3 or 4 fuses near the coil along the fire wall, plus the 3 in the fuse block, plus 1 or 2 under the dash.

On the 74 JH I'm restoring so far have found only the 3 in the block, but have not ripped the dash out yet, would'nt be surprised to find a couple there as well.

Theirs no telling what a previous owner did to protect the wiring system untill you dig in and have alook.

Brett

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 Posted: 04-08-2009 05:04 pm
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Jensenman
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The ones in the engine compartment are sorta strange; there's two 30 amp plus a single 50 amp (!) 'slow blow' type. Wow.

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 Posted: 04-08-2009 09:33 pm
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Circmand
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Just a heads upp another member informed me the 3 fuses needed are Lucas 35 Amp which translates to about 15.17 amp American. This question resulted in my auto electric guy questioning the 35amp fuses I put in. I would appreciate a more informed source than me stepping in and clarifying because 35Amp American could mess up the electrical work.

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 Posted: 04-09-2009 12:56 am
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Jensen Healey
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From an old Mark Rosenbaum post:

The stock JH fuses are rated 35 amps.  IIRC this is the must-blow rating, which, for Lucas fuses, means a must-carry rating of 18 amps.

 

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 Posted: 04-09-2009 03:32 pm
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Circmand
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not sure whether that means I was rigfht or not please clarify

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 Posted: 04-09-2009 10:50 pm
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JHRV8
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now you all know why they call Lucas the prince if darkness.......JHRV8

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 Posted: 04-12-2009 03:06 am
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JHRV8
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Hey guys, I did'nt mean to end this string with the old joke! I believe the JH has 3 fuses at the firewall, one in the tail-light area, one for the radio .  typically English electro-engineering........JHRV8.

Last edited on 04-12-2009 03:07 am by JHRV8

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