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Compressor Problem
complexdesigns
+1y
Two VIAIR 380c's, parked truck everything was fine, went to start it up today and they wont click on, checked power ground all checks out good. Should I be looking towards the relays or the pressure switch as the culprit here, kinda weird as I have had no problems for 3 years.
DRGDDLY
+1y
Edited: 8/8/2008 3:32:31 PM by DRGDDLY
check the relay it sound like it went bad... test power(12v) and ground at the relay and compressor
run a 12v to the relay where the pressure switch hooks to it that'll tell you if it is the pressure switch or the realy the fastest
check the relay it sound like it went bad... test power(12v) and ground at the relay and compressor
run a 12v to the relay where the pressure switch hooks to it that'll tell you if it is the pressure switch or the realy the fastest
nryota
+1y
ima go with...............pressure switch on this one.
Chevyguy
+1y
I would check power at the compressor. If nothing there check at the pressure switch on both sides. Then check at the relay coming from the pressure switch, power in and power out. Also check grounds.