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-   -   Help with circuit board mapping 90/91 cluster (https://67-72chevytrucks.com/vboard/showthread.php?t=808725)

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)
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

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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