Re: [T3] 1971 Fastback with fuel injection, no start!

[a.sterrett@att.net (a.sterrett@att.net)]

Ron,

In the engine compartment I can disconnect wire #19, (from the control unit to the pump relay pin #85), and ground it and the pump will run.  I reconnect it and the pump will not run.

In testing it seems I get no voltage from pin #87 on the pump relay to the pump.

One thing I am confused about is in the manual it states that pin #86 on the main relay goes to terminal #15 in the fuse box and pin #30/51 on the pump relay goes to terminal #30 in the fuse box.  Question is what position in the fuse box is #15 and #30?  I can't find any marks or lettering that indicate which is which.

Thanks,

Art Sterrett
Mobile, Alabama
 -------------- Original message ----------------------
From: ronwilliams60@comcast.net
> Art,
> you need 9.6 volts at the fuel pump, for it to work at all ,and this is full 
> time,
> You could put a tank with a after-market pump in line that will run 9.6 volts, 
> just to see of it will run that way. 
> good luck .
> ron williams
> 
> 
> 
>  -------------- Original message ----------------------
> From: a.sterrett@att.net (a.sterrett@att.net)
> > I have been following the posts on the Invasion.  Sounds like great fun, and I 
> > sure would like to be there to meet you all in person and learn more about the 
> > Type 3.
> > 
> > As most of you know I have been on here several times concerning my 1971 
> > Fastback vin# 311 203 9879 manufactured in 9/70.  When I purchased this 
> Fastback 
> > it actually started a couple of times but ran real erratic for only a short 
> > period.  The car had sat in previous owners backyard for several years.
> > 
> > The fuel pump seemed to pump okay but had a severe leakage problem.
> > 
> > I did a complete inspection of the Fastback and replaced the spark plugs, 
> wires, 
> > points and condenser.  I went through the FI system replacing the fuel pump, 
> > filter, injectors and all the fuel lines.  I also cleaned the tank.
> > 
> > I adjusted the valves and changed the oil.
> > 
> > I then started checking the electrical system making sure all my connections 
> > were good and tried to determine what worked and what didn't work.  I checked 
> > all my fuses.  I found alot not working and also found that someone had 
> > by-passed and rewired alot under the dash including eliminating the fuel pump 
> > relay.  I ran continuity checks on the wiring to find what wire went to what 
> > component and I believe I have everything back the way the Bentley diagram 
> shows 
> > it including a fuel pump relay installed.
> > 
> > Jim Adney and Keith have been alot of help on getting to this point as have 
> > others in the group, I thank you for this help.
> > 
> > Problem is today I am still sitting here completely baffled as this fastback 
> > will not get power to the fuel pump and start.  Pump does run when I ground 
> the 
> > connection back in the engine compartment.  I have run the tests you all have 
> > told me to do and it still comes back to "no power out of the fuel pump relay 
> to 
> > the pump".  Do I need to try another relay or am I over looking something in 
> the 
> > wiring?
> > 
> > Any help will be appreciated as I have found no one in Mobile, Al. area to be 
> of 
> > any help on a FI system.  I understand with you all having a good time at the 
> > invasion it will be awhile before I receive additional help.  Just hope I can 
> > make the next invasion.
> > 
> > Thank you,
> > 
> > Art Sterrett
> > Mobile, Alabama
> > 
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > 
> 
>