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Home >> Cadillac >> 1990 >> Allante 4T60/ME9 >> Repair and Diagnosis >> Body & Frame >> Power Windows >> System Tests >> Test E: Window Motor Test

Test E: Window Motor Test

Turn ignition switch to RUN. Connect test lamp at suspect window motor connector (disconnected from motor). Operate associated switch in the left door switch assembly UP and DN (express function). See WINDOW MOTOR TEST  table.

WINDOW MOTOR TEST

Connect Between (1) Correct Result
A & B (2) Test Lamp Lights
(1) If result is correct, replace the window motor. See DOOR WINDOW REGULATOR  under REMOVAL & INSTALLATION.
(2) Check wires to the window motor for an open. If wires are OK, replace suspect express down window module.