Component Testing

M74LR Window Motor - Left Rear/M74RR Window Motor - Right Rear

1. Ignition/Vehicle - Off
2. Disconnect the appropriate electrical connector:M74LR Window Motor - Left RearorM74RR Window Motor - Right Rear
3. Connect a 25 A fused jumper wire between the test points: Control terminal 1 & B+
CAUTION:

Complete the testing as quickly as possible in order to prevent overheating and damaging the component.

5. Momentarily connect a jumper wire between the test points: Control terminal 2 & Ground

   Reverse the jumper wires 2 times between the terminals.

   Verify the component works as specified: M74 Window Motor = Up & Down

   • If not the specified state 

     Replace the component:M74LR Window Motor - Left RearorM74RR Window Motor - Right Rear

   • If the specified state 
6. All OK.