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06-02-2013
So my windshield washer fluid isn't working. I've topped off the fluid but their is no power going to the pump. I disconnected the plug and put a multi-meter in it and no power is being sent to the pump when I use the switch. The wipers still move but no power goes to the pump and no fluid comes out. Is there a fuse somewhere for the pump? I couldn't find one on the fuse boxes.
06-02-2013
could be the multi switch its self that broke.
you try scratching the inside of the plug? maybe its corroded?
06-02-2013
i have the same issue in my 2000 but it only happens once in awhile
06-02-2013
The plug was clear of debris. And when I push the mist button the wipers go off but just no fluid so I would venture the problem isn't the switch.
06-02-2013
worst comes to worst, you can run a switch to the pump and use a push button to make fluid spray out.
how did the wires at the plug look? any damage to the insulation? maybe poke around for power further up the wire?
06-02-2013
No they looked fine. Because at first I thought it was the pump itself. But no power is even going to it. And I was thinking worse case scenario to run my own switch but it would be nice to get the factory one working instead.
06-02-2013
maybe see if you can find a wire diagram for the multi switch you can test there for power? it connects under the dash by your feet to a block, its a big plug bolted on, with the multi switch, and the ignition harness all into one plug that comes apart when un bolted.
if you know how to use one of them multi volt reader, ( i dont lol) its said you can find the short or problem switch with it.
06-02-2013
God that sounds like a pain in the ass.
06-02-2013
this is what the harness looks like off the m switch. these 2 plugs are one 1/2 of the plug they fit into, the other 1/2 is the ignition harness.
its possible one of the wires broke off the switch too, some of them are small.
06-02-2013
Alright I'll look at all the wiring.
06-03-2013
I know this sounds stupid but I thought my pump was broke a while back and the whole time I was pushing the wrong button. I always figured that sliding the circle knob thing to mist is what I was supposed to do but you have to slide the part sticking up with the picture of the windshield forward. Hope this helps.
06-03-2013
First off... Before taking the whole steering thing apart to check at the switch, I would say check your fuses... The with a small multimeter, check for voltage at the pump which is more easily accessible while having someone operate the switch. The pumps do go kaput now and then ya know... Lol.
I've seen fuses, pumps, shorts and of course switches cause this problem. It's best not to shotgun parts at it making assumptions : )
Good luck!
06-04-2013
Yeah what fuse is the washer pump?
06-14-2013
i didnt think they had a fuse for the washer fluid pump...
06-14-2013
It doesn't work off magic or dreams....it needs a fuse.Originally Posted by fromne
06-14-2013
Thanks Bill... Lol : )
I used to say always that God helps those who help themselves... It took all of 10 seconds to google search "Grand Prix Fuse Block"
2003 pontiac grand prix fuse box diagram - Fixya
Geeeeeze...
06-14-2013
I have the owners manual. Could you point out which fuse is the washer pump because I can't seem to find it.
06-14-2013
id bet its part of the wiper fuse, and if the wipers work, the pump should also be getting power.
06-14-2013
well the wipers work but not the pump
06-14-2013
And I bet your windshield is dirty too
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