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Thread: Washer/Wiper Gremlins

  1. #1
    The-Dullahan is offline Cadillac Owners Master
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    Washer/Wiper Gremlins

    Okay, so let me start by saying it is not the switch or the relay.

    The problem I am having is that though the wipers work fine, the washer does not want to spray. A long while ago, my pump died and I replaced it. The new one worked for a bit, but not for too long. Then it died too and I just never replaced it, because the wipers still worked fine.

    I finally got around to getting a new one (Actually, it wasn't that long thereafter and has been sitting in a box for months). While it looks precisely the same, it has a sticker on it that says to "REMOVE THE CAM ALIGNMENT TOOL AFTER INSTALLATION" on it. I see no such tool on here or anything and I cannot help but wonder if may haps this is why I had issues with the first one?

    Any clues anybody?


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  3. #2
    jayoldschool's Avatar
    jayoldschool is offline GM RWD V8 addict
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    Re: Washer/Wiper Gremlins

    When the pumps die, I just leave them and put a cheap parts store inline pump in place. They work perfectly. GM actually went to that design on the later 90s RWD cars...

  4. #3
    The-Dullahan is offline Cadillac Owners Master
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    Re: Washer/Wiper Gremlins

    Well, I put it on anyhow and it worked fine...? No idea what that tag was on about.

    Any info on these inline pumps? I was thinking that myself (But hey, I got the one on there now for like $6) and figures it would save me the trouble of wiring it to the old system, as a new pump would require.

    While we're here, which wire on the wiper motor is the ignition source wire? Going to attach the 500's choke to it.

  5. #4
    HUF's Avatar
    HUF is offline Cadillac Owners Connoisseur
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    Re: Washer/Wiper Gremlins

    CONTACTS! I went through two pumps just to figure out the contacts were bad. Sometimes you replace a part and it works not because the old one was bad and the new one is good, but just because you cleaned unintentionally the connector during disconnection/reconnection. Contact cleaners will help as well.
    Last edited by HUF; 04-03-12 at 10:19 AM.

  6. #5
    CADforce69 is offline Cadillac Owners Connoisseur
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    Re: Washer/Wiper Gremlins

    ^I bought a new wiper / washer motor for my 69. At first it worked well and some minutes later stopped to work. I ordered a guarantee replacement and the new one worked one day and the next didnīt want to work... Later I discovered the problem came from a bad connector to the wiper motor. When I pushed it to right or left, it worked... Some minutes later maybe he stops making contact again until I push it again... Check connections as HUF says.

  7. #6
    HUF's Avatar
    HUF is offline Cadillac Owners Connoisseur
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    Re: Washer/Wiper Gremlins

    By the way, the connector of the washer pump does not differ much from many others in the engine bay. I have had intermittent EGR code which appeared to be a connector-related. So, I am glad it first happened to the washer. Now, every time some codes show up, I check and clean connectors firs before replacing perfectly working parts.

    Connecting/reconnecting some 30 times helps.

  8. #7
    The-Dullahan is offline Cadillac Owners Master
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    Re: Washer/Wiper Gremlins

    Oh, trust me. The contacts are clean and shiny.

  9. #8
    HUF's Avatar
    HUF is offline Cadillac Owners Connoisseur
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    Re: Washer/Wiper Gremlins

    The connectors are pretty much water/dirt-tight, so the contacts look clean. It is more deforming plastic parts that hold the metal blades that cause problems over years. I even considered getting rid of some connectors causing gremlins and just soldering the wires together.

    You'll be back, trust me.

  10. #9
    The-Dullahan is offline Cadillac Owners Master
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    Re: Washer/Wiper Gremlins

    ^Thought about this, but it works fine. Took the time to test the old washer pump and it just does not work anymore. Jumping the connections from pin to pin exactly, so contact is definitely being made and it still didn't work. Therefore the old pump was just dead, whereas the new one works.

    With all the electrical connections I deal with programming animatronics or modifying peoples' cars, I've kind of learned how bad terminal connections can be detrimental to electrical functions.


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