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Home >> Buick >> 1982 >> Regal V8-267 4.4L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Technical Service Bulletins >> All Technical Service Bulletins >> A/T - Diagnosing Converter Lock-Up Problems >> Test # 7 - Grounding the -D- Wire >> Quick Method

Quick Method

TEST # 7 (ALDL Quick Method)

GROUND THE D WIRE AT THE TRANSMISSION

Note
You must first have passed ALDL Quick method (Test # 1).




^ Connect one end of a test light or jumper wire to terminal A at the ALDL.

^ Go for a road test. (This can also be done on the lift)

^ At approximately 35 mph, connect the other end of the test light or jumper wire to terminal F at the ALDL. The torque converter should Lock-up.

^ Whether the T/C locks up or not, follow the trouble shooting tree to the next step, usually cooler line surge test.