LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lincoln >> 1974 >> Mark IV >> Repair and Diagnosis >> Body & Frame >> Windows >> Electric Window Controls >> Testing >> Window Motor (Permanent Magnet)
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Window Motor (Permanent Magnet)

With the motor removed from the vehicle, connect a fully charged battery to the motor with an ammeter in series. Current draw for this no load test should not exceed 5 amps. @ 12.8 volts, and should not fluctuate. Reversal of the battery connections will reverse direction of rotation and the current draw should be the same. Replace motor if current draw exceeds specifications.