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Old 05-23-2007, 07:37 PM   #2
78Chevy
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Join Date: Nov 2006
Location: Malvern, AR
Posts: 80
Re: Wiring for lock-up converter on 85 THM350?

Okay, I don't know if this will help or not, but I have attached a couple of wiring diagrams for an 85 305. I know that you have replaced the 85 with one out of a 70's car. I'm not a 100% sure, but I think that the ECM that controls the engine also controls the trans. Also, over in FAQ on the secound page of Truck Tech there is a post that says Turbo 350c Lock Up Wiring by dhill it has a wiring diagram for the trans, but I don't know whether or not it will help you if it went through the ECM.

Good luck

Al
Attached Images
File Type: pdf 85 Chassis Electrical 1.pdf (74.4 KB, 185 views)
File Type: pdf 85 Chassis Electrical 2.pdf (71.1 KB, 140 views)
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