GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Tahoe - 2WD 🢒 Body and Accessories 🢒 Body Control System 🢒 Power Door Systems Component Views
Figure 1:

Cargo Door Wiring, Left Side
Object Number: 278006 Size: MF
(1)Left Cargo Door Contactor
Figure 2:

Cargo Door Wiring (Right Side)
Object Number: 277850 Size: MH
(1)Cargo Door Contactor and Door Jamp Switch
(2)P900
(3)Cargo Door Lock Actuator
(4)Cargo Door Lock Actuator, Connector
(5)Rear Window Defogger Connectors
(6)P901
Figure 3:

Door Lock Control Module
Object Number: 278014 Size: MF
(1)Door Lock Control Module (Except Luxury), Liftgate Release or Cargo Door Lock Relay (Luxury)
Figure 4:

Front Door Wiring
Object Number: 375317 Size: MF
(1)Speaker Connector, Tweeter
(2)Rear Window Lockout Switch Connector
(3)Power Window Switch
(4)Courtesy Light Connector
(5)Door Lock Switch Connector
(6)Power Window Switch Connector
(7)Power Mirror Switch Connector
(8)Speaker Connector
(9)Power Window Motor Connector
(10)C206 (Left)/C214 (Right)
(11)C209 (Left)
(12)C208 (Left)/C214 (Right)
(13)C207 (Left)/C213 (Right)
(14)Crossbody Harness
(15)P600 (Right Front)/P500 (Left)
(16)Door Harness
(17)C601 (Right)/C501 (Left)
(18)Door Lock Connector (Keyless Entry)
Figure 5:

Rear Door Wiring
Object Number: 277129 Size: MF
(1)Power Door Lock Motor Connector
(2)Courtesy Lamp, Door Connector
(3)Speaker, Rear Door
(4)Speaker Connector
(5)Power Window Motor Connector
(6)C496 (Right)/C498 (Left)
(7)Crossbody Harness
(8)C497 (Right)/C499 (Left)
(9)P800 (Right)/P700 (Left)
(10)Power Window Switch Connector
(11)Door Wiring Harness
Figure 6:

Door Lock Relay Wiring/Power Amp. Relay
Object Number: 278009 Size: MF
(1)Door Lock Relay
(2)Power Amplifier
(3)Power Amplifier Relay
(4)Accelerator Pedal Position (APP) Module (Diesel)
(5)Clutch Pedal Position (CPP) Switch
Figure 7:

Door Lock Switch, Rear
Object Number: 278012 Size: MF
(1)Rear Door Lock Switch
Figure 8:

Crossbody Wiring
Object Number: 312725 Size: MF
(1)Crossbody Harness
(2)C305
(3)Power/Heated Seat Harness, RF
(4)Heated Seat Connector, RF
(5)Cellular Phone Antenna
(6)Heated Seat Harness, RR
(7)C304
(8)Power/Heated Seat Harness
(9)C271 (Inline)
(10)Heated Mirror Relay
(11)Door Lock Inversion Module
(12)G202