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Mike S.
Mike S., Chevy Mechanic
Category: Chevy
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Experience:  ASE Certified Master Technician
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Chevrolet chevrolet g20 van location of ecu/ecm in 93 chev

This answer was rated:

location of ecu/ecm in 93 chev g20 van. Not a conversion van. not in dash, under seats or on firewall or over engine.

According to this diagram, it appears to be under the drivers seat.

Click here.

Customer: replied 5 years ago.
diagram won't open. Have looked under the seat, inside & out. What is in the inside is the seat adjust motor. This is driving me to drink

Thats a *.pdf, it opens with adobe's free acrobat reader.

Autozone confirms the 1993 Chevrolet Truck G20 3/4 ton Van 5.7L TBI 8cylThe Engine Control Computer is located:
Front seat area, driver side, mounted under driver seat

graphic

Did you pull up the carpet?

Mike S. and 4 other Chevy Specialists are ready to help you
Customer: replied 5 years ago.
Now, that's heavy Chevy. Pull up the carpet. Thanks. XXXXX OR.
You are welcome!

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