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Greenlee · 09-09-2014, 09:41 PM

I added a TBI harness to an 83' cab and the same size hole was already in the exact same spot on both cabs. So I wouldn't fill in the hole until you look at your wire harness.

09-09-2014, 09:41 PM	#23
Greenlee Registered User Join Date: Jun 2004 Location: El Lago, TX Posts: 1,668	Re: Holes on Firewall? I added a TBI harness to an 83' cab and the same size hole was already in the exact same spot on both cabs. So I wouldn't fill in the hole until you look at your wire harness.