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Re: [T3] 1971 Fastback with fuel injection, no start!
Bob,
Thank you for the quick response. Based on what you've told me it sounds like I am wired correctly, my fuel pump relay is probably good. I guess I should start looking for a ECU that is compatible with this vehicle. Next question is does anyone have one for sale or know of a source to locate one. 1971 Type 3 Fastback vin #311 203 9879 built in 9/70. What other information would I need to locate the correct ECU? Again Thank you Bob as this may be the answer to the problem I have been dealing with now for several months.
Art Sterrett
Mobile, Alabama
-------------- Original message ----------------------
From: BOB2TYPE3S@aol.com
> In a message dated 7/30/06 12:07:55 PM Eastern Daylight Time,
> a.sterrett@att.net writes:
>
> << n 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. >>
>
> I had this issue with my 71 Roadster project back in March. I found that
> changing the ECU cured this problem. Basically the ECU isn't switching the
> ground
> inside to run the pump. By grounding #19 in the engine compartment, you've
> completed the circuit, and the pump runs. This also means everything else is
> correctly wired. I hope this helps.
>
> Bob 65 Notch S w/ Sunroof and IRS (Krusty)
> 71 Square, now a 2 seat Roadster, pics can be seen at;
> http://volksrods.com/forums/index.php?showtopic=2977 and now running the old
> Notch motor with
> D-jet FI engine. : )
>
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