K 2500 Truck 4WD V8-379 6.2L DSL (1988)
Figure No. 2
Amperage draw due to aftermarket auxiliary lights added when a snow plow is installed on a 1988 through 1990 C/K 1, 2, 3 may exceed the 15 amp
capacity of the stop/hazard fuse and cause the fuse to open. A Service Directional Signal Relay Harness which does not draw current through the
stop/hazard/directional switch may be installed to prevent stop/hazard fuse open. Use the following instructions to install the Service Directional Signal
Relay Harness, P/N 15555168.
Installation Instructions
1.
Disconnect battery (batteries).
2.
See figures 1 and 2 for detail.