Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

- Check the 20 Amp fuse in cavity 15 of the fuse block.
- Check the ground strap on the windshield wiper motor.
- For the intermittent wiper system, a ground is dedicated to the wiper switch. The following items are on that ground: Radio, DRL module, Combination Flasher, and Heated Rear Window Switch. Check these items for proper operation.