Date: Sat, 1 Jun 2013 21:58:57 -0500
Reply-To: Mike South <msouth@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Mike South <msouth@GMAIL.COM>
Subject: Re: Wipers suddenly not working, trip tomorrow
In-Reply-To: <51aaa028.e279420a.4bf6.ffffdd14SMTPIN_ADDED_MISSING@mx.google.com>
Content-Type: text/plain; charset=ISO-8859-1
On Sat, Jun 1, 2013 at 8:29 PM, David Beierl <dbeierl@attglobal.net> wrote:
> At 08:33 PM 6/1/2013, Mike South wrote:
> Do the heater blower and rear defrost work?
>
>
> Nope. Heater blower does not work, and I am sure I tested that after the
>> dash was on because I used the switch on the outside of the dash to do it.
>>
>> If so, the load reduction relay and its drive from the X terminal of the
>> ignition switch is good.
>>
>>
>> I pre-emptively replaced the ignition switch with a new one when I was
>> putting the dash back on. I know that new does not equal good, and also
>> that you should suspect the part you put on last, first. How can I test if
>> power is coming off that terminal?
>>
>
> If the headlights work (key on) then the ignition switch X contact is good.
>
Good, lights work.
I will go check the relay.
Thanks!
mike
>
> Key on, rear defrost switch on, verify B+ between two terminals of rear
> window element. If yes, load reduction relay is ok, check for problem at
> fuse S10.
>
>
>
> Also where is that load reduction relay, and how would I check it?
>>
>
> Third hole from the left, see 97.10
>
> To test, pull it, diagram the labeled terminals, replace it. If
> everything now works you had poor contact in the socket.
>
> Pull relay again, measure voltages to ground as follows (97.66 at top)in
> this order:
> Terminal 30 - B+ regardless of key. If not present, make sure your meter
> ground is good and can read B+ at top of Fuse S8. If so, 4 mm^2 red wire
> loop to top of fuse S8.
> Terminal 86 - B+ with key on, zero with key off. If no, wiring from there
> to ignition key X terminal.
> Terminal 85 - ~0 V. If so, check with relay in and key on, still should
> be ~0 V. If it's B+ instead, bad ground from there to star clusters
> forward of fuse/relay panel. In that case, the 4-way flashers also will
> not work.
> Terminal 87 - Replace relay, check for B+ with key on, zero with key off.
> If zero, very high likelihood bad relay. If relay bad, you can in
> emergency remove and open the relay and solder a 4 mm^2 jumper between
> terminals 30 and 87. If you do this wipers, heater blowers (rear heater
> blower left off diagram apparently), and rear defrost will be live at all
> times.
>
>
>
>
>>
>>
>> Does washer pump work? If so then you've eliminated fuse S10 as a
>> problem.
>>
>>
>> If S10 is the tenth fuse starting from the driver's door, the fuse looks
>> ok. However, with the key on, there is no power on either end of the fuse.
>>
>
> Ok, see above.
>
> Yrs,
> d
>
>
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