GM Service Manual Online
For 1990-2009 cars only
Table 1: Throttle Actuator Control (TAC) Module-C1
Table 2: Throttle Actuator Control (TAC) Module-C2
Table 3: Turn Signal/Multifunction Switch-C4

Throttle Actuator Control (TAC) Module-C1


Object Number: 261930  Size: CH

Connector Part Information

    • 12191065
    • 16-Way F Micro-Pack 100 Series (MD GRY)

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

LT BLU

1320

CHMSL Supply Voltage/Stop Lamp Supply Voltage

7

PNK

1339

Ignition 1 Voltage

8

BRN

582

TAC Motor Control - 2

9

LT BLU/BLK

1688

5 Volt Reference

10

ORN/BLK

1057

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

BLK

550

Ground

16

YEL

581

TAC Motor Control - 1

Throttle Actuator Control (TAC) Module-C2


Object Number: 666638  Size: CH

Connector Part Information

    • 12177081
    • 10-Way F 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PPL

1272

5 Volt Reference

C

LT BLU

1162

APP Sensor 2 Signal

D

TAN

1274

Low Reference

E

--

--

Not Used

F

DK BLU

1161

APP Sensor 1 Signal

G

WHT/BLK

1164

5 Volt Reference

H

--

--

Not Used

J

BRN

1271

Low Reference

K

--

--

Not Used

Turn Signal/Multifunction Switch-C4


Object Number: 39661  Size: CH

Connector Part Information

    • 12047786
    • 4-Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

41

Ignition 3 Voltage

B

GRY/WHT

397

Cruise Control On Switch Signal

C

GRY/BLK

87

Cruise Control Resume/Accel Switch Signal

D

DK BLU

84

Cruise Control Set/Coast Switch Signal