The rear defroster and cruse control do not work on my 1993 Nissan pathfinder, how do i trouble shoot these 2 problems and repair.
The rear window defroster can be tested by checking for power out of the fuse box to the switch which operates a relay usually 4 pin 2 pins are the controlling side and the other 2 are battery power and the window element wire. Some switches have a led light in them that shows power is completed thru the switch . With a volt meter test wires at rear window some times if to many breaks in the grid stops the system from working. the cruise control has a servo with it's own throttle cable check for broken cable and check for engine vacuum to servo. then test switches on steering column with a ohm meter for proper continuity and test brake light switch.
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