F3 Check For Short Circuit 640

- Ignition switch OFF.

- Remove instrument cluster fuse (10A).

- Remove instrument cluster.

- Measure resistance of circuit 640 (R/Y) wire between the fuse terminal and ground.

- Is the resistance greater than 10,000 ohms?

YES -- Service short in instrument cluster.

NO -- Service circuit 640 (R/Y) wire between the interior fuse and instrument cluster.

Connector:

Pin Number Circuit Circuit Function

1 57 (BK) Ground
2 875 (BK/LB) Ground
3 31 (W/R) Oil Pressure Gauge Feed
4 640 (R/Y) 12V Input
5 19 (LB/R) Illumination Lamps Feed
6 794 (LB) Low Coolant Indicator Feed
7 397 (BK/W) Ground
8 11 (T/Y) Tachometer Feed
9 651 (BK/Y) Ground
10 640 (R/Y) 12V Input
11 208 (GY) Low Oil Indicator
12 603 (DG) Anti-Lock Indicator Feed
13 128 (P/Y) Brake Indicator Feed
14 608 (BK/Y) Air Bag Indicator Feed
15 450 (DG/LG) Fasten Belts Indicator
16 2 (W/LB) Right Turn Indicator