washer pump no flow
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Cross-Country
Joined: Oct 2014
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washer pump no flow
1993 F150 5.0L: Cannot get washer fluid on the windshield. Jump the washer pump to the battery and you get good fluid flow to the glass. So the pump works and hoses and nozzles are clear. Tested voltage at pump plug and got 11.4 volts. Wipers seem to work well at all speeds. Thoughts please.
Cargo Master
Joined: Aug 2021
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From: Maryland
1993 F150 5.0L: Cannot get washer fluid on the windshield. Jump the washer pump to the battery and you get good fluid flow to the glass. So the pump works and hoses and nozzles are clear. Tested voltage at pump plug and got 11.4 volts. Wipers seem to work well at all speeds. Thoughts please.
Is your washer switch in the multi function switch, on the steering column stalk, or on the dash?
Second suspect would be ground connection, especially if you provided a battery ground when you tested the pump.
The washer pump ground might be (EDIT): Is... right near the reservoir, on the upper driver's side corner of the radiator support.
Hotshot
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Get a 12V test light and connect it to the washer pump plug. With the key on, push the washer switch. Is there power at the connector? No? Go to the multifunction switch. Is there power out of the switch when pushing the switch?
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Cross-Country
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Soup Bone: Yes, multi function switch.on column stalk. Will check grounds tomorrow.
My4: Did use a test light at the pump plug. Had power when switch was pushed.
Thank. Will let you know results.
My4: Did use a test light at the pump plug. Had power when switch was pushed.
Thank. Will let you know results.
Hotshot
Joined: Jun 2015
Posts: 12,791
Likes: 2,426
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Cargo Master
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From: New Dominion, PE
I had the same issue on my 87 f150...it was corroded connectors at the plug that goes to the washer pump.
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