GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

ABS Fuse 22 (IP Fuse Block)

In the IP Fuse Block

IP Fuse Block Details in Power Distribution in Electrical Diagnosis

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Brake Pressure Warning Switch

RH end of Electronic Brake Control Module/Brake Pressure Modulator Valve

Electronic Brake Control Module


Object Number: 203299  Size: LF
(1)Electronic Brake Control Module
(2)Electronic Brake Control Module Connector C1
(3)Electronic Brake Control Module Connector C2
(4)Brake Pressure Modulator Valve
(5)Brake Pressure Warning Switch
(6)Combination Valve
in Brake Warning System Component Views in Hydraulic Brakes in Brakes

Electrical Diagnosis Connector End Views Page 202-3

Data Link Connector

Lower LH side of instrument panel

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Electrical Diagnosis Connector End Views Page 202-3

Electronic Brake Control Module (Part of Brake Pressure Modulator Valve)

LH front fenderwell between the Underhood Bussed Electrical Center and Grommet P100

Figure 3: Brake Control Module Locator View


Object Number: 203299  Size: LF
(1)Electronic Brake Control Module
(2)Electronic Brake Control Module Connector C1
(3)Electronic Brake Control Module Connector C3
(4)Brake Pressure Modulating Valve
(5)Brake Pressure Warning Switch
(6)Combination Valve
in Antilock Brakes System Component Views in Antilock Brakes System in Brakes

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Electronic Brake Control Module (Part of Brake Pressure Modulator Valve) Connector C1 (10 Cavities)

Body harness connector on LH of Electronic Brake Control Module/Brake Pressure Modulator Valve

Figure 3: Brake Control Module Locator View


Object Number: 203299  Size: LF
(1)Electronic Brake Control Module
(2)Electronic Brake Control Module Connector C1
(3)Electronic Brake Control Module Connector C3
(4)Brake Pressure Modulating Valve
(5)Brake Pressure Warning Switch
(6)Combination Valve
in Antilock Brakes System Component Views in Antilock Brakes System in Brakes

Antilock Brake System Connector End Views in Antilock Brakes System in Brakes

Instrument Cluster

In the IP ahead of the steering column

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Electrical Diagnosis Connector End Views Page 202-10

IP Fuse Block

LH side of the IP near the left front side door jamb switch

Figure 8 in Electrical Component Location Views in Electrical Diagnosis

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Park Brake Warning Switch

On park brake bracket assembly

Figure 11 in Electrical Component Location Views in Electrical Diagnosis

Electrical Diagnosis Connector End Views Page 202-11

RDO BATT Fuse 19

In the IP Fuse Block

IP Fuse Block Details in Power Distribution in Electrical Diagnosis

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Stop Lamp Switch

Mounted on brake pedal

Figure1: Floor Pedals Locator View


Object Number: 203295  Size: LF
(1)Dash panel
(2)Stop Lamp Switch
(3)Brake pedal
(4)Manual Transmission Clutch Start Switch
(5)Clutch Pedal
in Starter And Charging Component Views in Engine Electrical in Engine

Electrical Diagnosis Connector End Views Page 202-11

Truck Body Control Module

Lower rear of IP on the heater assembly

Figure 8 in Electrical Component Location Views in Electrical Diagnosis

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Truck Body Control Module Connector C1 (24 Cavities)

Lower rear of IP on the heater assembly

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Electrical Diagnosis Connector End Views Page 202-14

Underhood Bussed Electrical Center (UBEC)

Over left front fender well

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Underhood Bussed Electrical Center (UBEC) Connector C1 (Body, 68 Cavities)

Below the Underhood Bussed Electrical Center

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Underhood Bussed Electrical Center (UBEC) Connector C2 (2.2L Engine, 68 Cavities)

Below the Underhood Bussed Electrical Center

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Underhood Bussed Electrical Center (UBEC) Connector C2 (4.3L Engine, 68 Cavities)

Below the Underhood Bussed Electrical Center

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C203 (Body Harness to IP Harness) (116 Cavities)

RH side of dash

Figure 9 in Electrical Component Location Views in Electrical Diagnosis

Electrical Diagnosis Connector End Views Page 202-26

P100 (IP Bulkhead Pass-Through)

LH rear of engine compartment, on cowl

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SP201 (Data Link Connector Spice Pack, Body Harness)

LH side of dash panel, below IP Fuse Block

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