Antilock Brake System Connector End Views. GMC Truck Export Savana 1998

For 1990-2009 cars

### Brake Pressure Differential Switch

Connector Part Information

• | 12052646

• | ASM 2F M/P 150 (WHITE)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | TAN/WHT | 33 | Brake Warning Indicator Lamp Output
B | BLK | 150 | Ground

### EBCM, Connector C1

Connector Part Information

• | 12065425

• | ASM 10F M/P 150 (BLACK)

Pin | Wire Color | Circuit No. | Function | Component Connector Cavity | DTC(s) Affected | Possible Symptoms From a Faulty Circuit
--- | --- | --- | --- | --- | --- | ---
A | BRN | 441 | Fuse Output - Ignition 3 - Type III Fuse | A | None | No communication with EBCM
B | LT GRN | 867 | ABS Failure Indicator Lamp Output | B | C0286 | No ABS indicator
C | PPL | 420 | Brake Switch Input | C | C0281 | None
D | -- | -- | Not Used | D | -- | Not Used
E | YEL/BLK | 1827 | Vehicle Speed Input | E | C0236, C0237, C0238 | ABS indicator lamp turned on
F | TAN/WHT | 799 | ABS Diagnostic Link (UART) | F | None | No communication with EBCM
G | PPL | 1807 | Serial Data Signal - (Class 2) | G | None | No communication with EBCM
H | TAN/WHT | 33 | Brake Warning lamp Output | H | C0288 | None
J | BLK | 451 | Signal Ground | J | None | No communication with EBCM
K | -- | -- | Not Used | K | -- | Not Used

### EBCM, Connector C2

Connector Part Information

• | 12085030

• | ASM 2F M/P 630 P2S (BLACK)

Pin | Wire Color | Circuit No. | Function | Component Connector Cavity | DTC(s) Affected | Possible Symptoms From a Faulty Circuit
--- | --- | --- | --- | --- | --- | ---
A | RED | 442 | Fuse Output - Battery - Type II Fuse | A | C0265, C0267 | ABS indicator lamp turned on
B | BLK | 150 | Power Ground | B | C0265, C0267 | ABS indicator lamp turned on

### EBCM, Connector C3

Connector Part Information

• | ENTER PART NUMBER HERE

• | ENTER PART DESCRIPTION HERE

Pin | Wire Color | Circuit No. | Function | Component Connector Cavity | DTC(s) Affected | Possible Symptoms From a Faulty Circuit
--- | --- | --- | --- | --- | --- | ---
A | LT BLU | 830 | WSS Signal (LF) | A | C0225, C0226, C0227 | ABS indicator lamp turned on
C | DK GRN | 872 | WSS Signal (RF) | C | C0221, C0222, C0223 | ABS indicator lamp turned on
D | YEL | 873 | WSS Return (LF) | D | C0225, C0226, C0227 | ABS indicator lamp turned on
E | TAN | 833 | WSS Return (RF) | E | C0221, C0222, C0223 | ABS indicator lamp turned on

### TCC/Stoplamp Switch

Connector Part Information

• | 12040551

• | 6F M/P 480 (BLACK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | BRN | 1135 | Brake Transmission Shift Interlock SOL Feed
B | LT GRN | 275 | Trans Mounted Neutral Safety Switch Output
C | PPL | 420 | Brake Pedal Switch Output (TCC)
D | BLK/WHT | 441 | Fuse Output - IGN 3 - Type III Fuse
E | WHT | 140 | Fuse Output - Battery - Type III Fuse
F | WHT | 17 | Stoplamp Switch Output

### Vehicle Speed Sensor (VSSB) Buffer

Connector Part Information

• | 12066130

• | ASM 9F MIC/P 100 (NATURAL)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
7 | LT GRN/BLK | 822 | VSS Return
8 | BLK/WHT | 451 | Ground
9 | PNK | 39 | Fuse Output - Ign 1 - Type III Fuse
10 | WHT | 696 | Brake Control to Cluster SPO Signal
11 | -- | -- | --
12 | PPL/WHT | 821 | Vehicle Speed Sensor Signal
13 | BRN | 437 | Vehicle Speed Signal
14 | DK GRN/WHT | 817 | Vehicle Speed Signal (4000 Pulses Per Mile)
15 | DK GRN | 389 | Vehicle Speed Signal (4000 Pulses Per Mile)

### Wheel Speed Sensor

Connector Part Information

• | 12052641

• | ASM 2F M/P 150 (BLACK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | LT BLU | 830 | WSS SIGNAL (LF)
A | TAN | 833 | WSS SIGNAL (RF)
B | YEL | 873 | WSS SIGNAL (LF)
B | DK GRN | 872 | WSS SIGNAL (RF)