Hummer H3 I (2005-2010) relay 77 Wiring diagram
This page shows the only wiring diagram for the component.relay 77, which is found in the car Hummer H3 I (2005-2010). This component is only found in one wiring diagram on your vehicle, and you can see its details here. If necessary, you can also go to other diagrams for this system for more information..
Wiring diagram relay 77 (1 of 1)
BATTERY
BLK WIRE
BLU WIRE
BODY CONTROL MODULE (BCM) (BEHIND RIGHT FRONT KICK PANEL)
COMPUTER DATA LINES SYSTEM
ENGINE CONTROL MODULE (ECM) (RIGHT REAR CORNER OF ENGINE COMPT)
IGN
IGN VOLT
IGNITION SWITCH
OFF
PCM CNTRL
POWER DISTRIBUTION SYSTEM
PPL
PPL SERIAL DATA
RED WIRE
RELAY 77
RUN WIRE
SERIAL DATA
STARTER
STRTR FUSE 85
TAN WIRE
TAN/WHT WIRE
UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL)
WHT WIRE
WHT/BLK WIRE
YEL WIRE
YEL/BLK WIRE
Go to component -> Starting circuit, m/t -> RELAY 77
