Pinpoint Tests

PINPOINT TEST A: THE CLOCK OPERATION IS ERRATIC/INOPERATIVE

A1:

A1-A2:

Normal Operation
The clock receives battery voltage from the central junction box (CJB) through circuit 1523 (DG). Ground for the clock is supplied through circuit 57 (BK).

Possible Causes
- fuse
- clock
- circuit 57 (BK) open
- circuit 1523 (DG) open