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Automatic Transaxle Overhaul - 4T40-E/4T45-E: Wiring Saturn ION I

Automatic Trans

Wire Harness Disconnect

  1. Disconnect the wiring harness connectors from the pressure control solenoid (312).
  2. Disconnect the wiring harness connectors from the 1-2 and 2-3 shift solenoids (305).
  3. Disconnect the wiring harness connectors from the pressure switch assembly (13)
  4. Disconnect the wiring harness connectors from the TCC solenoid (335).

Wiring Harness Connection

  1. Inspect the wiring harness (11) for damage.
  2. Inspect the pass thru connector pins and o-ring seal for damage.
  3. Assemble the wiring harness pass thru connector into the transaxle case bore from the inside of the transaxle case.

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