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12-24-2010, 09:38 PM #1
- Join Date
- Dec 2010
- DuBois, Pennsylvania, United States
Wiring diagram needed OBD2 to OBD1
Switching engines from 1997 engine, 5.7 Vortex to a 1991 for a 5.7.
Need the diagram to connect bulkhead connector pin outs and colors to perform this.
Can anybody help? Anybody have access to AllData? I understand they have it but for all the more I play with this, it's not worth the $165 to me for a month's access.
12-24-2010, 10:45 PM #2
- Join Date
- Sep 2010
- Far West, Oregon USA,
- Blog Entries
Hey Shawn, welcome to the GM truck club. That may be kind of tough to come by. GM isn't very forthcoming with their w.d's... When I wanted to put a 4L60E in my older truck they wouldn't even share that simple wireing diagram with me.1988 Chevy C-3500 2wd (no pic)
350 c.i. 5.7 L Stock Block, 4 Bolt Mains
L-31 Vortec Heads, Edelbrock Cam & Intake,
Holley 650, Flowtech Headers, Magnaflow exh.
Jet Trans 700R4, B&M Ratchet, 4:10 gears,
3" susp. lift kit "shadetree"
No rev limiter, No speed limiter lol
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