GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2007 🢒 Isuzu MD F-Series 🢒 Engine 🢒 Engine Electrical 🢒 Power and Grounding Component Views
Figure 1:

Left Side of Frame Rail
Object Number: 1991845 Size: LF
(1)Frame Rail-Left Side
(2)Fuse Block 2
(3)Fuse Block 1
Figure 2:

Instrument Panel, Right Side Forward View
Object Number: 1400890 Size: LF
(1)Fuse Block - I/P - 1
(2)Fuse Block - I/P - 2
(3)Relay Block 1
Figure 3:

Lower Center of the I/P
Object Number: 1988323 Size: LF
(1)Relay Block 2
(2)Horn Relay
(3)Starter Cut Off Relay
(4)Dome Lamp Relay
Figure 4:

Front Chassis Harness 1 of 3
Object Number: 1595432 Size: LF
(1)Condensor and Fan (C60)
(2)G107
(3)C118 Front Chassis Harness to Engine Harness
(4)C115 Front Chassis Harness to Engine Chassis Harness
(5)C116 Front Chassis Harness to Engine Chassis Harness
(6)C125 Front Chassis Harness to Engine Chassis Harness
(7)C117 Front Chassis Harness to Engine Chassis Harness
(8)Engine Control Module (ECM)
(9)C111 Front Chassis Harness to Engine Chassis Harness
(10)Wheel Speed Sensor (WSS)-LF
(11)Data Link Connector (DLC) Resistor
(12)Front Fascia
(13)C105 Front Chassis Harness to Turn Signal Harness
(14)C207 Front Chassis Harness to Lower I/P Harness (LG4)
(15)C205 Front Chassis Harness to Lower I/P Harness (LG4)
(16)C200 Front Chassis Harness to Lower I/P Harness
(17)C202 Front Chassis Harness to Lower I/P Harness
(18)C204 Front Chassis Harness to Lower I/P Harness
(19)Front Chassis Harness
Figure 5:

Cab to Frame Grounds
Object Number: 628978 Size: LF
(1)Front Cross Member
(2)G114
(3)Right Frame Rail
(4)Cab Ground Cable
(5)G214
(6)Cab
Figure 6:

Outboard Right Frame Rail, Rear of the Batteries
Object Number: 1499074 Size: LF
(1)Right Frame Rail
(2)Fuel Tank (NK8 or NNW) or Fuel Tank - Secondary (NG7, NJ7, NJ8 or NNQ)
(3)G410 shown, G411 on Left Fuel tank
(4)Fuel Sender (NK8 or NNW) or Fuel Sender - Secondary (NG7, NJ7, NJ8 or NNQ)
(5)G400 (from Splice Pack SP400 and Negative Battery Cable)
(6)Battery - Inboard
(7)Battery - Outboard
Figure 7:

Outboard Right Frame Rail, Rear of the Air Cleaner
Object Number: 1499094 Size: LF
(1)Right Frame Rail
(2)G400 (from Splice Pack SP400 and Negative Battery Cable)
(3)Ground Cable to Splice Pack SP400
(4)Front Chassis Harness
(5)C402 (2 cavities)
(6)Fusible Link 1
(7)Fusible Link 2
(8)Air Intake Elbow
(9)Positive Battery Cable
(10)Air Cleaner
(11)Fusible Link 3
(12)Fusible Link 4
(13)C400 (2 cavities)
(14)Negative Battery Cable
(15)Battery - Outboard
(16)Negative Battery to Battery Cable
(17)Battery - Inboard
Figure 8:

Engine Harness Ground to Frame (LG4)
Object Number: 628981 Size: LF
(1)G100
(2)Starter Ground Cable
(3)G101
Figure 9:

Lower Right Front of Engine-LF8
Object Number: 1991847 Size: LF
(1)G101
(2)G100
Figure 10:

Front Chassis Harness to RH Frame, LH Forward View (LG4)
Object Number: 628192 Size: LF
(1)Starter Relay
(2)Front Chassis Harness
(3)Battery Cable
(4)C403
(5)Rear Chassis Harness
(6)Negative Battery Cable
(7)Transmission Support Crossmember
(8)Ground Block - SP400 (Part of Negative Battery Cable)
(9)G400
(10)C405
(11)Starter Relay Connector C3
(12)Starter Relay Connector C1
(13)Starter Relay Connector C2
Figure 11:

Trailer Harness
Object Number: 1595241 Size: LF
(1)G402
(2)Tractor or Trailer Receptacle
(3)Trailer Harness
(4)C406 Trailer Harness to Front Chassis Harness (JE4, RQ2 and U86 or JE4 and RQ3)
(5)Front Chassis Harness