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Test # 10 - Checking Electrical Switches on Trans.

TEST # 10

CHECK THE ELECTRICAL SWITCHES ON THE TRANSMISSION

Note
If you have passed the ALDL Quick method on page 4, the electrical switches are NOT causing the no lock-up condition. Go to test # 11.

SWITCH TYPE PART #

Single terminal
normally open 8642473

TEST

Connect one ohmmeter lead to the terminal of the switch and the other lead to the body of the switch. Ohmmeter should read infinite. Apply 60 psi of air to the switch and the ohmmeter should read 0.

SWITCH TYPE PART #

Signal terminal 8642569
normally closed 8634475

TEST

Connect one ohmmeter lead to the terminal of the switch and the other lead to the body of the switch. Ohmmeter should read 0. Apply 60 psi of air to the switch and the ohmmeter should read infinite.

SWITCH TYPE PART #

Two terminal 8643710
normally open

TEST

Connect one ohmmeter lead to one terminal of the switch and the other lead to the other lead to the other terminal. Ohmmeter should read infinite. Apply 60 psi of air to the switch and the ohmmeter should read 0.

SWITCH TYPE PART #

Two terminal 8642346
normally closed

TEST
Connect one ohmmeter lead to one terminal of the switch and the other lead to the other terminal. Ohmmeter should read 0. Apply 60 psi of air to the switch and the ohmmeter should read infinite.