GM Service Manual Online
For 1990-2009 cars only
Table 1: Cruise Control Module (CCM)
Table 2: Throttle Actuator Control (TAC) Module C1
Table 3: Throttle Actuator Control (TAC) Module C2

Cruise Control Module (CCM)


Object Number: 666638  Size: CH

Connector Part Information

    • 12177081
    • ASM 10F Micro-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

397

Cruise Control On Switch Signal

B

DK BLU

84

Cruise Control Set/Coast Switch Signal

C

GRY/BLK

87

Cruise Control Resume/Accel Switch Signal

D

PPL

420

TCC Brake Switch Signal

E

BLK/WHT

451

Ground

F

BRN

41

Ignition 3 Voltage

G

WHT

17

Stop Lamp Switch Signal

H

--

--

Not used

J

LT BLU/BLK

396

Cruise Control Engaged Signal

K

DK GRN/

WHT

817

VSS Signal

Throttle Actuator Control (TAC) Module C1


Object Number: 261930  Size: CH

Connector Part Information

    • 12191064
    • ASM 16F M/P 100 W Series (NAT)

Pin

Wire Color

Circuit No.

Function

1

DK GRN

485

TP Sensor 1 Signal

2

GRY

416

5 Volt Reference

3

BLK

452

Low Reference

4

DK BLU

84

Cruise Control Set/Coast Switch Signal

5

GRY/BLK

87

Cruise Control Resume/Accel Switch Signal

6

WHT

17

Stop Lamp Switch Signal

7

PNK

1339

Ignition 1 Voltage

8

BRN

582

TAC Motor Control - 2

9

LT BLU/BLK

1688

5 Volt Reference

10

BLK/WHT

1704

Low Reference

11

PPL

486

TP Sensor 2 Signal

12

ORN/BLK

1061

UART Serial Data - Secondary

13

DK BLU/

WHT

774

UART Serial Data - Tertiary

14

GRY

397

Cruise Control On Switch Signal

15

TAN/WHT

551

Ground

16

YEL

581

TAC Motor Control - 1

Throttle Actuator Control (TAC) Module C2


Object Number: 666638  Size: CH

Connector Part Information

    • 12177081
    • ASM 10F 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

1273

Low Reference

B

PPL

1272

Low Reference

C

LT BLU

1162

APP Sensor 2 Signal

D

TAN

1274

5 Volt Reference

E

YEL/BLK

1275

5 Volt Reference

F

DK BLU

1161

APP Sensor 1 Signal

G

WHT/BLK

1164

5 Volt Reference

H

--

--

Not Used

J

BRN

1271

Low Reference

K

DK GRN

1163

APP Sensor 3 Signal