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Harness Removal & Re-install Tips

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#1
Jim Venable

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Okay. After a small engine fire last weekend, the passenger side engine wiring needs to be replaced. Is it necessary to replace the entire harness or might there be other alternatives?

 

Much appreciated,

Jim Venable


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#2
Bench Racer

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Cause of fire???

 

Post pictures of fire damage.


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#3
Dave D.

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It's actually not bad once the dash is out. Have a good replacement ready and lay it out on a 4x8 sheet of plywood to compare to original.Carefully feed each side through the holes making sure not to snag any connectors. A good weekend project.



#4
Jim Venable

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David,

 

Rear fuel port bolt loosened. Melted and in some cases completely burned off wire coverings to all right side engine components. While the fire was quite hot, it was short lived do to the quick release of the on-board fire system. Can't post pics as I'm old school with an older yet flip phone. LOL.

 

Jim Venable

 

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Dave,

 

Dash is out, harness laid out. Half tempted to cut the harness in the engine bay a foot or so from the melted area and splice the wiring from the replacement harness to the remaining installed harness. 

 

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Has anyone tried splicing the harnesses as mentioned above and if so did it work? 

 

Jim Venable


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#5
Mark

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If dash is out it is nbd to lay a new harness in. We've done it at the track in less than an hour start to finish. I'd be hesitant to splice as it only adds more potential issues to the problem.


Mark
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#6
Bench Racer

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David,

 

Rear fuel port bolt loosened. Melted and in some cases completely burned off wire coverings to all right side engine components. While the fire was quite hot, it was short lived do to the quick release of the on-board fire system. Can't post pics as I'm old school with an older yet flip phone. LOL.

 

Jim Venable

 

Jim, we have some commonalities, 1.6, old school and flip phone. Good luck with your harness change.


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#7
Jim Venable

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David,

 

Jim, we have some commonalities, 1.6, old school and flip phone. Good luck with your harness change.

 

True. 


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#8
RazerX

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I have successfully spliced a 1.6 harness just on the engine side of the firewall.  it took 'hours' to strip, solder, shrink tube each wire, offset by an inch or two so as not not create a huge 'bump' where all the joints were.  I am extremely patience and very particular but the surgery was successful.  That was 4 years ago and still no issue.  However give the option again, I may just pull the dash and do a swap. 


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