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Subject:Re: VW relay #53, 141 951 253B
From:Neil N
Date:Fri, 3 Jun 2016 12:34:47 -0700
Ok. I see it now. 97.206 in Bentley. And I see ecu 5/15 to 86 of fuel pump
relay. Seems
redundant? I haven't had any coffee yet.   ;)

Neil.

On Friday, June 3, 2016, Neil N <musomuso@gmail.com> wrote:

> ..... And in the 1988 1989 main diagram p 97.124 I now see the diode
> referred to earlier.
> The likes of Mark Drillock and David B have written about that relay.
>
> 87 of the ecu  relay supplying switched positive to 86 of fuel pump
> relay, is somewhat misleading. The fuel pump relay is energized via a
> switched ground from the ecu.
>
> In my later (latest?) edition of Bentley the ecu relay is correctly
> labelled p 97.124
>
> Apologies to the op for pulling this tooic OT.
>
> Neil
>
>
> On Thursday, June 2, 2016, Neil N <musomuso@gmail.com
> <javascript:_e(%7B%7D,'cvml','musomuso@gmail.com');>> wrote:
>
>> Yes. That positive connection in harness feeds a few things.
>> The ECU relay became a 5 pin affair in 88 or so. Eg my 88 may have a 4
>> pin ecu relay
>> Can't recall. It does use 87 wiring in some cases.
>>
>>
>> On Wednesday, June 1, 2016, Robert Keezer <warmerwagen@yahoo.com> wrote:
>>
>>> Apparently VW made some changes in 1988?
>>> Shows the relay without the diode even.
>>>
>>> On page 97.124 it also shows the 86 also has a connection with the
>>> injectors and O2 sensor.
>>> Seems strange that 87 and 86 would both be connected to the same loads.
>>>
>>>
>>>
>>
>> --
>> Neil n
>>
>> Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca>
>>
>> 1988 Westy Images <https://picasaweb.google.com/musomuso/New1988Westy>
>>
>> 1981 Westfalia "Jaco" Images, technical
>> <http://tubaneil.googlepages.com/>
>>
>> Vanagon-Bus VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>
>>
>>
>
> --
> Neil n
>
> Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca>
>
> 1988 Westy Images <https://picasaweb.google.com/musomuso/New1988Westy>
>
> 1981 Westfalia "Jaco" Images, technical <http://tubaneil.googlepages.com/>
>
> Vanagon-Bus VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>
>
>

--
Neil n

Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca>

1988 Westy Images <https://picasaweb.google.com/musomuso/New1988Westy>

1981 Westfalia "Jaco" Images, technical <http://tubaneil.googlepages.com/>

Vanagon-Bus VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>