The 1947 - Present Chevrolet & GMC Truck Message Board Network - Help with circuit board mapping 90/91 cluster

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TBONE1964

07-05-2020 08:26 PM

Help with circuit board mapping 90/91 cluster

I am looking for someone who has diagram or knows the mapping of the circuit board on a 90/91 (Blazer/Suburban) cluster with electric speedometer.

I need to map the vss 12 volt, ground and signal to sensor.

Modified an early cluster with late speedometer.

Thank you in advance
Tom

TrybalRage

07-06-2020 12:30 PM

Re: Help with circuit board mapping 90/91 cluster

Quote:

Originally Posted by TBONE1964 (Post 8769386)

Perhaps these will help:
http://www.73-87chevytrucks.com/tech...rument_pg1.jpg

http://www.73-87chevytrucks.com/tech...rument_pg2.jpg

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