[Main C900 Bulletin Board | BBFAQ | Prev by Date | Next by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos Jumper seat heater switch to control WW pump? Like This Post: - Subscribe to Daily Digest for this Bulletin Board Posted by Arabiflora [Email] (#1129) [Profile/Gallery] (more from Arabiflora) on Sun, 4 Jan 2009 17:05:16 Alert me when someone posts in this thread: Members do not see ads below this line. - Help Keep This Site Online - Signup

'88 900S, 378k mi.

After driving 5 hrs on icy and salty Iowa/Wisconsin hwys-- and having to stop 3 times to squeegie the windshield in order to see-- I've vowed to find a way to power the ww pump. Present failure symptom is simply that the pump doesn't run when called. Wipers engage, but no sound from pump, and the fuse is good.

Many will likely conclude, as I have, that the contacts in the stalk are FUBAR-- I recall many posts to that effect that I discovered when dealing with a similar problem with my '93. In that case I replaced the stalk(s) with a salvage unit I had laying around.

Having plenty of time (and cause) to think about it, it occurs to me that there may be a simpler "fix" and wanted to get some feedback. Here's my proposal: since the seat heaters don't work anyway (I presume due to break(s) in the heating filament), I should be able to redirect the current called by engaging the seat heaters to the ww pump; furthermore, it seems to me conceivable that I could do so merely by jumpering at the fuse panel between the posts that hold the seat heater fuse (20a) and those that house the fuse for the ww pump (15a, but as long as I don't crank the seat heater switch up to 4, should be ok?).

Is this just crazy enough to work, or just dumb? I know the right fix is to pull a new/old unit from the boneyard, but if I could make this work I would be exceedingly proud of this short term fix.

Please let me know what you think of the idea, and thanks in advance.

Scott

• Jumper seat heater switch to control WW pump?, Arabiflora , Sun, 4 Jan 2009 17:05:16 <-- Viewing This Message
  • Rain X, Saabnutt, Tue, 6 Jan 2009 08:43:47
  • Temporary solution, JonH, Mon, 5 Jan 2009 06:05:31
  • switch to VW WW system, dr fall, Sun, 4 Jan 2009 20:54:41
    • Flawless, except when it fails, Ari , Mon, 5 Jan 2009 17:39:35
  • Someone on this board posted a temp fix a while back.., davidm, Sun, 4 Jan 2009 19:16:48
  • Won't work, Ari , Sun, 4 Jan 2009 18:13:28
    • Re: Won't work, Justin VanAbrahams , Sun, 4 Jan 2009 19:06:43
      • Re: Won't work, Arabiflora , Sun, 4 Jan 2009 20:30:26
        • Current, not voltage, Ari , Mon, 5 Jan 2009 18:07:10
        • Re: Won't work, Justin VanAbrahams , Sun, 4 Jan 2009 23:16:04
          • Re: Won't work, CMyles , Mon, 5 Jan 2009 09:48:44

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• Prev by Date: bottom ball joint-hard to check, though. Also, possibly, nicknick, Sun, 4 Jan 2009 16:44:26
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