Electrical Wire Color Code Specifications All machine electrical wires are shown by a wire number and color on electrical schematics.
CED,TX14826,12198 –19–10MAR00–1/1 TM1858 (30JUN04) 9015-10-2 700H Crawler Dozer 063004 PN=140 System Diagrams Fuse (Blade-Type) Color Codes Amperage Rating Color 1 Black 3 Violet 4 Pink 5 Tan 7-1/2 Brown 10 Red 15 Light Blue 20 Yellow 25 Natural (White) 30 Light Green CED,TX14826,12197 –19–10MAR00–1/1 9015 10 2 Amperage Rating Color 1 Black 3 Violet 4 Pink 5 Tan 7-1/2 Brown 10 Red 15 Light Blue 20 Yellow 25 Natural (White) 30 Light Green Abbreviation Color Letters Used Function RED Red B, P Power Functions BLK Black G, R Ground Functions ORG Orange A, C Accessories Functions YEL Yellow F, N, X, Y Monitored Functions BLU Blue T, W Power Transmission And Hydrostatic Functions GRN Green H, K Clutch Cutoff, Steering And Blade Functions WHT White E Engine Functions BRN Brown L, D Vehicle And Cab lighting Functions TAN Tan J Electrical And Electromechanical Functions PINK Pink U, V Unassigned Control Functions PUR Purple M Alternator, Voltmeter and Tachometer Functions GRY Gray Z Monitor Functions