Connect Alternator Regulator, Battery and Starter Tester (ARBST) green cable to battery negative.
Connect ARBST red cable to the windshield wiper motor terminal 3 (ground).
Connect a jumper wire between windshield wiper motor terminal 4 (for low speed), terminal 5 (for high speed) and battery positive.
If the windshield wiper motor does not run or amperes exceed maximum specification, replace the windshield wiper motor. Test the system for normal operation.