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Home >> Chevrolet >> 1989 >> G 10 Van V8-350 5.7L >> Repair and Diagnosis >> Technical Service Bulletins >> All Technical Service Bulletins >> A/T - Diagnosing Converter Lock-Up Problems >> Test # 6 - Checking For Ground at Terminal -D- >> Regular Method

Regular Method

TEST # 6 (Regular Method)

CHECK FOR GROUND AT TERMINAL -D- AT THE TRANSMISSION

^ Check for ground at terminal D at the transmission.

^ On Non-computer-controlled vehicles skip this test and go directly to cooler line pressure, or surge test.

^ Raise the vehicle on the lift so the driving wheels are off the ground.




^ Unplug the wires at the case and connect the alligator clip of your test light to terminal A.

^ Place the tip of your test light on terminal D.

^ Start the engine and bring to normal operating temperature.

^ Place the selector in Drive. (O.D. on four speed units).

^ Accelerate slowly to 60 mph and the tester should light.

^ If the tester does not light you have a computer system problem. Go to test # 7 (Regular Method).