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

System Inspection

Grid Electrical System
1. With engine running, push defroster switch "ON".
2. Connect negative (-) terminal of a voltmeter to vehicle ground.
3. Using voltmeter positive (+) probe, test center of each grid line for about 6 volts.
4. If voltmeter reading is more than 6 volts, grid line is broken between center and grounded (GND) end.
5. If voltmeter reading is less than 6 volts, or 0 volts, grid line is broken between center and battery feed wire end.