..... 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> 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 > <javascript:_e(%7B%7D,'cvml','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> |
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