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bdiamond · 09-09-2014, 07:50 PM

On an 82 the ? one is for the ESC computer wiring. I'd buy that its for the TBI wiring on an 87 cab.

09-09-2014, 07:50 PM	#21
bdiamond Registered User Join Date: Sep 2007 Location: Wichita Falls, Texas Posts: 459	Re: Holes on Firewall? On an 82 the ? one is for the ESC computer wiring. I'd buy that its for the TBI wiring on an 87 cab.