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Old 09-07-2009, 20:34   #1 (permalink)
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confused Fuse Box Melted

I have a 1993 Escort LX 5speed.I was running my cooling fan at all times because of an issue I could'nt figure out.I unplugged the temp. sensor to make this happen.Anyway,the other day the fan stopped working and I checked the fuses in the engine compartment and the H270 large fuse/relay melted and when I replaced the fuse,it would'nt come back on.What could have caused this?I went to pick a part today and I thought it would be an easy fix but I figured out that I have to replace the entire wiring harness not just the box itself in order to fix this issue and it does'nt look fun.Has anyone had this problem?Can I just solder new wires or is that no good?I appreciate any help.Thanks in advance.

Chris
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Old 09-08-2009, 12:42   #2 (permalink)
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Re: Fuse Box Melted

A poor connection, ie. corroded contacts, loose connector, will cause overheating anything electrical. You'll have to check what all got melted. If it's just the fuse, you could doing a "very good" solder connection to see if that's all you have to do. If not, you'll need a new harness. It's hard to diagnoss without seeing it. This is a posibility.
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Old 09-08-2009, 21:13   #3 (permalink)
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Re: Fuse Box Melted

Quote:
Originally Posted by rtg143 View Post
A poor connection, ie. corroded contacts, loose connector, will cause overheating anything electrical. You'll have to check what all got melted. If it's just the fuse, you could doing a "very good" solder connection to see if that's all you have to do. If not, you'll need a new harness. It's hard to diagnoss without seeing it. This is a posibility.
Is it OK to cut the fuse box at the wires and solder a new box to it without having to rerun a new harness?
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Old 09-08-2009, 21:32   #4 (permalink)
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Re: Fuse Box Melted

Without seeing it I couldn't say for sure. You could use a jumper and see ifit will work. Make sure you use the fuse in the jumper, even if you have to use 2 jumper wires to do that.
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