my a/c stop working also the rear a/c fan wont come on either power window do no on 1990 Chevrolet G Series Van (G20)

not work is there fuse somewhere that i can change

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1 answer
Check all your fuses in the dash and underhood fuse boxes. Also check all your ground wires (especially the ones from the engine to the frame and body/chassis to frame) for good tight connections.