GM Service Manual Online
For 1990-2009 cars only

°C (°F)

Voltage

Resistance

-50 (-58)

4.97

1,579,500

-40 (-40)

4.93

1,070,550

-20 (-4)

4.74

186,000

0 (32)

4.24

55,620

10 (50)

3.81

32,100

20 (68)

3.29

19,185

25 (77)

3.00

15,000

30 (86)

2.71

11,818.50

35 (95)

2.42

9,376.50

40 (104)

2.14

7,489.50

45 (113)

1.88

6,021.00

50 (122)

1.64

4,870.50

60 (140)

1.23

3,250.50

70 (158)

0.91

2,218.50

80 (176)

0.67

1,543.50

100 (212)

0.37

789.75

120 (248)

0.21

433.80

145 (293)

0.11

220.95