Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Wiper Motor: Testing and Inspection

1. Disconnect wiper linkage from motor, then electrical connector.

Wiper Motor Current Draw Test.:





2. Connect red lead from Starter and Charging Tester 078-00005 or equivalent, to battery positive post.
3. Connect green lead from tester to high speed connector pin 1, then to low speed connector pin 2, at connector plug.
4. Current draw at either pin 1 or 2 should not exceed 3.5 amps.