In the future, I will get in the habit of looking at electrical
diagrams in model years close to mine.

I see what you mean. The '87 diagram corresponds to my wiring.

Thanks for clarifying Mark!

Neil.

On Mon, May 28, 2012 at 6:15 PM, mark drillock <mdrillock@cox.net> wrote:

> First of all, there are serious errors in that ECU/FP relay part of the
> 88/89 Bentley Digifant diagrams, with connections shown wrong. Second, the
> change to the more complex ECU relay with diode did not occur exactly on the
> 88 model year break so your 88 may have come with the 87 type FI harness.
>
> That diode is NOT being used as a suppressing diode.
>
> Mark
>
>
> neil n wrote:
>>
>> Hi all.
>>
>> Am finding a bit of poor work and mysterious things in my 1988 Westy
>> engine bay.
>>
>> Situation: engine bay wiring harness likely replaced. ECU and fuel
>> pump relays are both 4 pin Hella 53. Relay diagram shows what may be a
>> suppressing diode in parallel at relay coil.
>>
>> The van runs, but because a 4 pin instead of 5 pin relay is used for
>> ECU, and that there are 2 less wires going to this relay, am concerned
>> that the ECU may run the risk of voltage surging through it when
>> engine shut down.

-- 
Neil n

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