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Urgent: Workaround for a Bad Fusebox

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7 replies to this topic

#1
lilcrawler

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I was sent the wrong fusebox in the mail, so I won't have my truck fixed before I need to drive to Sedona. I will have another fusebox waiting for me, but there is 357 miles between me and Sedona.

The probem(as we know it):
There are fractures in the joint where the pins are soldered to circuit board in the back of the fuse box behind fuse 24, which powers the engine management computer. The computers will intermittently lose power, causing me to roll to a stop along the side of the road.

The question is:
Is there a way to "jump" the engine management computer to get the vehicle to start by bypassing the fusebox completely. If so, where would I do this, and how would I do it without risking damage to the computers? Could I create a fused wire between the battery and fuse 24, bypassing the damaged solder point, and powering the computers as a viable "side of the road" fix?

Thanks,
Tyler
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2004 DII- Not modified heavily enough

I get below 15 mpg on Fuelly!
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#2
RedRover

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Maybe I'm not picturing it correctly, but if you have stress fractures on the original solder points, can you just cut the wires and install an in-line fuse holder and fuse rated the same?

Hopefully one of those amazing subject matter experts will pipe up. Until then, you get the peanut gallery (me!)

Jared (KJ6MQI)
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#3
lilcrawler

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That's what I'm thinking, but there is a circuit board in the fuse box where the solder has cracked. The way that the circuit board is built, is basically two circuit boards on top of each other that can't be seperated. I'm thinking that if I took a long wire with an in line fuse all the way from the battery, and connected to the fuse box with a fuse tap, it would bypass the break in the circuit board.
Tyler
2004 DII- Not modified heavily enough

I get below 15 mpg on Fuelly!
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#4
DHappel

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Can you simply solder a jumper wire around the bad joint in the fusebox?


Don
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'96 D1 - even more non-stock


#5
lutz

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Sure looks like you can just bypass it. Maybe put a switch so u can turn it off.

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KK6QGU
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#6
GraemeWare

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Or bridge the output from 24 and 25, then put a slightly larger fuse in number 25 only (20A).  Not pretty, but it would be fine 99% of the time.

 

Regards,

 

Graeme


Graeme Ware -- San Carlos, CA

1990 Range Rover Classic - LT230 Transfer box, Warn winch, 2" lift, 235/85-16 Dunlop MUD Rovers, "Blue Submarine"
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other assorted British pot metal ...


#7
lilcrawler

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Well, from talking to Graeme, it looks like I have a solution. Still, hopefully nothing goes wrong.
  • RedRover likes this
Tyler
2004 DII- Not modified heavily enough

I get below 15 mpg on Fuelly!
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#8
DHappel

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Graeme? Who's truck only runs downhill? ;)
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Don
'07 LR3 HSE/HD - slightly non-stock

'96 D1 - even more non-stock





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