1996 GMC Safari - Limp Mode
The PCM controls the ground side of the solenoids to turn them on or off. power comes from the fuse box for all the solenoids. Ignition switch supplies power to the fuse box for this issue.
mean time , I get an electric draw of the fuse TRANS . it need to HOT all the time . "Hot in off , run or start" . it sound OK ? cause all the guides I saw says to go run or start before the fuse test ...
I did the bulb test , you totaly right .
when I connect the bulb directly to batery it works fine . And when I connect to switch power , fuse TRANS it doesn't work at all ...
so , the ignition switch need to replace ?
when I connect the bulb directly to batery it works fine . And when I connect to switch power , fuse TRANS it doesn't work at all ...
so , the ignition switch need to replace ?
Mike , from the first beginning I measure the voltage on the TRANS fuse , It was 4V . (I mention it with the pictures post).
I did the test with voltmeter , I didn't think about the ampere ....
Sorry .
I did the test with voltmeter , I didn't think about the ampere ....
Sorry .







