1982 GMC Van Relay?

  • 1982 GMC VAN

Electrical problem
1982 GMC Van V8 Two Wheel Drive Automatic 72700 miles

I have a class c motorhome. Bolted on the left valve cover is what looks like a relay. The only numbers I can get off of it is 477322 on top and at the bottom is 2156. Didn't know what this does or if is should be replaced?

Do you
have the same problem?
Wednesday, January 27th, 2010 AT 4:49 AM

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