G 3500 1 Ton Van V8-454 7.4L (1989)
![background image](/gmc/g_3500_1_ton_van/v8-454_7.4l/Page-301004.png)
Symbol Identification
Wire Color Code Identification
Black:
BLK
Blue:
BLU
Brown:
BRN
Gray:
GR
Green:
GRN
Natural:
NAT
Symbol Identification
Wire Color Code Identification
Black:
BLK
Blue:
BLU
Brown:
BRN
Gray:
GR
Green:
GRN
Natural:
NAT