GM Service Manual Online
For 1990-2009 cars only
Table 1: Lead-in Cable Resistance Values
Table 2: Antenna System Resistance Values

Lead-in Cable Resistance Values

Digital Multimeter Probes at Points:

Resistance measured in Ohms

7 and 3

Less than 1.0 ohms

7 and 2

Infinite

7 and 6

Infinite

Antenna System Resistance Values

Ohmeter Probes at Points:

Resistance measured in Ohms

1 and 2

Less than 0.15 ohms

1 and 4

Less than 0.15 ohms

2 and 4

Less than 0.15 ohms

1 and 7

Infinite

2 and 7

Infinite

2 and 3

Infinite

1 and 3

Infinite

Refer to Antenna Inoperative - Fixed Mast .