t350 power wire? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

72c10 · 02-15-2006, 05:56 PM

Well I have a 72c10, ( originaly 250 I6) just finished installing a 350 from a 78 gmc with my original turbo 350 trans. after searching I found out that the black wire is suposed to be 12v for the lock up. but on my 250 the wire starts out a brown and white at the fuse block then goes to relay on the fire wall then splits into the black wire that goes to the trans a brown and a blue that went to the choke crap and to a temp switch. the 78 350 has a heat coil for the choke and has no place to plug this stuf into. does anyone know if I can just cut this stuff off or is any of it needed? Ifso how soes it need to be wired?

02-15-2006, 05:56 PM	#1
72c10 Registered User Join Date: Dec 2002 Location: burlington KY Posts: 175	t350 power wire? Well I have a 72c10, ( originaly 250 I6) just finished installing a 350 from a 78 gmc with my original turbo 350 trans. after searching I found out that the black wire is suposed to be 12v for the lock up. but on my 250 the wire starts out a brown and white at the fuse block then goes to relay on the fire wall then splits into the black wire that goes to the trans a brown and a blue that went to the choke crap and to a temp switch. the 78 350 has a heat coil for the choke and has no place to plug this stuf into. does anyone know if I can just cut this stuff off or is any of it needed? Ifso how soes it need to be wired?



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