Test QB - Introduction
NOTE:
Perform this test when directed by other test procedures. This test is intended to diagnose only the following components or systems:
- ECA
- Harness circuits (PWR GND, VPWR, KAPWR, IGNITION)
TEST PIN WIRE COLOR IDENTIFICATION
| Application (Test Pin No.) | Wire Color | |
|---|---|---|
| Pin 1 (KAPWR) | ||
| 2.3L OHC, 5.0L MA, 5.0L PFI (Truck), 4.9L, 5.8L, 7.3L Diesel, & 7.5L E-Series Van | Black/Orange | |
| 2.3L (Ranger), 2.9L (Bronco II & Ranger) & 4.0L (Ranger) | Yellow/Black | |
| All Others | Yellow | |
| Pin 40 or 60 (PWR GND) | ||
| 4.9L, 5.0L, 5.8L, (Bronco & F-Series), 7.3L Diesel & 7.5L (F-Series) | Black/White | |
| All Others | Yellow | |
| Pin 37 or 57 (VPWR) | Red | |