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

Current Draw Test

Fig. 3 Wiper Motor Current Draw Test. Except Aerostar:





1. Disconnect battery cables.
2. Disconnect linkage from motor and the electrical connector.
3. Connect green lead from multimeter to battery positive post, Fig. 2.
4. Connect positive lead of tester first to low speed connection and then to high speed connection at electrical connector. Current draw should not exceed 3 amps.