GM Service Manual Online
For 1990-2009 cars only
Table 1: Battery Current Sensor
Table 2: Generator C1
Table 3: Hood Ajar Switch
Table 4: Battery C1
Table 5: Battery C2

Battery Current Sensor


Object Number: 646415  Size: CH

Battery Current Sensor

Pin

Wire

Circuit

Function

A

PK

5076

Current Sensor Supply Voltage

B

BN

5077

Current Sensor Low Reference

C

WH

5075

Current Sensor Signal

Generator C1


Object Number: 1283861  Size: CH

Generator C1

Pin

Wire

Circuit

Function

1

OG

225

Generator Turn On Signal

2

GY

23

Generator Field Duty Cycle Signal

Hood Ajar Switch


Object Number: 646415  Size: CH

Hood Ajar Switch

Pin

Wire

Circuit

Function

A

YE

5530

Hood Open Switch Signal

B

PU

5531

Hood Closed Switch Signal

C

BK

250

Ground

Battery C1


Object Number: 2012848  Size: CH

Battery C1

Pin

Wire

Circuit

Function

A

RD

1

POWER SUPPLIES +

Battery C2


Object Number: 2012850  Size: CH

Battery C2

Pin

Wire

Circuit

Function

A

BK

50

Ground