NOTE *1 WHEN DOING DOORLOCKS ON THESE TRUCKS, DO NOT CYCLE DOORLOCKS RAPIDLY, THIS MAY CAUSE THE ETACS ECU TO FAIL AND THE DOORLOCKS WILL NO LONGER WORK. YOU MUST ADD DIODES TO THE LOCK AND UNLOCK WIRES TO PREVENT DAMAGE TO THE ETACS ECU. MAKE SURE YOU INSERT THE DIODES WITH THE STRIPED SIDE TOWARDS THE UNIT.
NOTE *2 THE ENGINE SPEED DETECTION CONNECTOR IS A SINGLE PIN BLUE CONNECTOR NEAR THE MASTER CYLINDER UNDER THE HOOD.
NOTE *3 THE ETACS (Electronic Timing/Alarm Control System) ECU (Electronic Control Unit) IS ATTACHED TO THE BACK OF THE FUSEBOX
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