WTEC III ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL GENERAL DESCRIPTION VEHICLE (V) HARNESS TRANSMISSION (T) HARNESS CONNECTOR (BLUE) CONNECTOR (GRAY) TPS CONNECTOR (OPTIONAL) SELECTOR (S) HARNESS VIW CONNECTOR CONNECTOR (BLACK) VIM CONNECTOR DIAGNOSTIC DATA READER (DDR) CONNECTOR J 1939 CONNECTOR (OPTIONAL) ENGINE SPEED SENSOR CONNECTOR SCI (J 1587) CONNECTOR (OPTIONAL) RETARDER ACCUMULATOR CONNECTOR VIW CONNECTOR RETARDER “H” SOLENOID CONNECTOR (HD/B 500) TRANSFER CASE CONNECTOR (MD 3070) DEUTSCH DDR CONNECTOR (OPTIONAL) RETARDER “H” SOLENOID CONNECTOR (MD/B 300/B 400) TID 2 RETARDER CONNECTOR (MD/B 300/B 400) PRE-TRANSID & TID 1 RETARDER MODULATION REQUEST (RMR) CONNECTOR SENSOR HARNESS CONNECTOR (OPTIONAL) RETARDER TEMPERATURE SENSOR CONNECTOR (HD/B 500) PRE-TRANSID & TID 1 OUTPUT SPEED SENSOR CONNECTOR RETARDER TEMPERATURE SENSOR CONNECTOR (MD/B 300/B 400 HD/B 500) TID 2 RMR CONNECTOR (OPTIONAL) SHIFT SELECTOR CONNECTOR TURBINE SPEED SENSOR CONNECTOR (HD/B 500) THROTTLE POSITION SENSOR (TPS) CONNECTOR Bulkhead Connector (Optional) TRANSMISSION FEEDTHROUGH HARNESS CONNECTOR NOTE:
Illustration is not to scale. Actual harness configuration may differ from this illustration. V07086 Figure 1–9. WTEC III External Wiring Harnesses Copyright © 2001 General Motors Corp.