Gasket97 Posted April 11, 2015 Share Posted April 11, 2015 On my 88 subaru gl my wind shield wipers only work on intermittent and low, is this the switch or the motor and how would I check? Quote Link to comment Share on other sites More sharing options...
DaveT Posted April 12, 2015 Share Posted April 12, 2015 Intermittent is a rely box that uses the low winding. High is a separate wire to the motor. You have to check that power is sent to the high speed terminal when the switch is on high to determine if the switch is doing it's job, or the motor is dead on high.. Quote Link to comment Share on other sites More sharing options...
wagonist Posted April 12, 2015 Share Posted April 12, 2015 Unplug the loom at the wiper motor & check for current on each wire with the different settings (intermittent is a bit harder to do) The wiring is pretty simple for the wipers. If I was at home, I'd scan a copy and post it. Know anyone nearby with the same car? Remove your wiper switch (bit awkward because you'll have to remove the steering wheel), plug it into their car & see what works & what doesn't. Bit harder to remove your wiper motor to do the same, but you could possibly rig up a short loom extension to plug their car into your wiper motor (it's only 4 wires, I think) Quote Link to comment Share on other sites More sharing options...
Gasket97 Posted April 12, 2015 Author Share Posted April 12, 2015 Thank you guys I will check it out today Quote Link to comment Share on other sites More sharing options...
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