C 3500 Truck 2WD V8-454 7.4L (1990)
CAUTION: Do not use a meter with an impedance of less than 10 Meg ohms.
Insert the positive probe into terminal 10 (circuit 902) and the negative probe into terminal 8 (circuit 361). Compare the feedback voltage at FULL HOT
and FULL COLD to the values below.
Temp. Door Position ................................................................................................................................................................................. Correct Feedback
Voltage ................................................................................................................................................................................................................ (+/- 0.08V)
Full Hot ....................................................................................................................................................................................................................... 0.94V
Full Cold ..................................................................................................................................................................................................................... 4.06V
