Plug Wires and coil lead

cpousson

Recruit
Joined
Jun 29, 2025
Messages
1
I have a 99ish 4.3 thunderbolt 5 and I am troubleshooting no spark. When I pulled the coil lead wire, it stripped in my hand. I need a quick temporary wire from autozone or other that I can use to troubleshoot while I order a set.

Can anyone give me a proper fit alternative until I have time to order a permanent solution?
 

tango13

Petty Officer 3rd Class
Joined
Mar 10, 2015
Messages
82
I went with Moroso Ultra 40 race wires for my 454 - the ones i got are engine specific (BBC) and designed to go "under headers" for extra length. I like them because the plug ends are shrink wrapped onto the wires from the factory for extra strength and protection against moisture. They also have both ends marked with the cylinder #.
 
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