GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1997 🢒 Chevy K Pickup - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Front View Engine Wiring Harness
Figure 1:

Engine Wiring to Vehicle Control Module (Gas)
Object Number: 78384 Size: MF
(1)C60
(2)A/C Harness
(3)I/P Lower Reinforcement
(4)I/P Harness
(5)PCM Module (12F)
(6)Engine Harness
Figure 2:

Engine Wiring to Powertrain Control Module (Diesel)
Object Number: 78388 Size: SH
Figure 3:

Engine Wiring at the Cowl
Object Number: 78390 Size: SH
Figure 4:

Engine Wiring from the Junction Block (Diesel)
Object Number: 78392 Size: SH
Figure 5:

Engine Wiring to the Fuse Relay Center
Object Number: 78394 Size: SH
Figure 6:

Engine Wiring (4.3L)
Object Number: 78395 Size: SH
Figure 7:

Engine Wiring to the A/C Compressor (4.3L)
Object Number: 78397 Size: SH
Figure 8:

Top View (5.0L, 5.7L)
Object Number: 78399 Size: SH
Figure 9:

Glow Plug Connections (6.5L Turbo)
Object Number: 78416 Size: SH
Figure 10:

Engine Wiring to Dash (Gas)
Object Number: 78420 Size: SH
Figure 11:

Engine Wiring to Dash (Diesel)
Object Number: 78421 Size: SH
Figure 12:

Top View (5.0L, 5.7L)
Object Number: 78399 Size: SH