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Old 10-13-2010, 06:46 PM   #1
88CrewCab
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TH400 to 700R4 wiring with TBI

I swapped the TH400 for a 700r4, can anyone tell me how to wire it to make it lockup. Do I wire it to the ECM or with a kit?
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Old 10-13-2010, 07:44 PM   #2
DetroitIron
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Re: TH400 to 700R4 wiring with TBI

My 700R4 is old school hydro lock up....no wires...sorry this may not help you...i have a 85 K20 and the trans works just fine with no wires.
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1985 Chevy Scottsdale K20 350 with 700R4 running 3.42 gearing aka "The Honey Badger"
1993 Silverado C3500 Ext. Cab Dually 6.5 turbo diesel
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