Okay, so in the past, I've had the leads on my blower motor start to loose their stiffness and touch each other thus shorting the thing out. Before, I was able to separate the leads on the resistor and the motor would work.
So now, the motor stopped working again and I suspected that it was the same problem. This time, I ordered a new resistor. I replaced it and the motor still wouldn't turn. So I tested the connector at the resistor, I got no voltage. So then I tested the connector at the blower motor, I got voltage. So I deduced that the blower motor was bad.
Here's the thing. I didnt check for continuity. So I went and checked for cont at both connectors and there i ZERO (0) continuity. How in the holy hell is there voltage but no continuity???????? Am I missing something? I've had a lot going on and maybe my mind is flustered.
Not quite sure what you checked for continuity but if you just pulled the connector off and checked from one terminal to the other then no continuity would be right. One is power one is ground.
I used to be good at it when I smoked. I've been sober for like 3 years and haven't had anything couldn't handle until now. I'm stumped, for once. I feel.......infantile.
Tested millivolts at the ground pin and the meter reads -1
If you went from the positive to ground there should be no continuity, but you should see voltage.
Easiest way to be sure wiring is good is
1. Check power wire by going from positive pin to chasis ground should see voltage. (I think that is what you did already)
2. Check the ground wire by going from positive pin to ground pin should see voltage also. (If step 1 didn't show voltage then you would have to run a wire from battery positive to ground pin)
one wire is power the other is ground. to test ground you go from the ground pin at the connector (back probed plugged in) to chassis or battery ground with the circuit :live turned on even though it won't. what's the voltage? Must have a good ground or test is inconclusive.
I will have to trace that. This was from the blower motor connector. I'm gonna tackle that either after work tomorrow or this weekend. If I have enough wire in the apartment, I will wire a temporary ground from the battery. Its fucking dark out here and our lights blow goats.
Okay, so I have jumped the ground at the blower motor also I have jumped the ground at the resistor and fan stays on all the time. Even when I think I have the same setting of the fan is blowing.
does that sound like something in HVAC units has been fried? Or do I need to replace both grounds for that to work properly? Honestly I don't know.
I got the same results back probing both connections.
Edit!!!!!!!!! Now all of the controls are working regularly. I'm not sure what happened before to wear the blower was always on but now it works just having a wire hooked up to a chassis ground.
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