1987 740 GL Turbo Wagon- no power to the fuel pump.

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reddog27 - 08 May 2008 04:22 GMT

Engine: B230F- There is no voltage going to the fuel pump(external). I
replaced the fuel pump and also the relay. I think that I need to look
at the control unit and/or the air mass meter? Hopefully, someone can
get me started in the right direction, thanks!

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dupree8995@gmail.com - 08 May 2008 05:09 GMT

> Engine: B230F- There is no voltage going to the fuel pump(external). I
> replaced the fuel pump and also the relay. I think that I need to look
[quoted text clipped - 4 lines]
> Posted at author's request, using moderatedhttp://www.AutoBoardz.cominterface
> Thread archive:http://www.AutoBoardz.com/1987-740-GL-Turbo-Wagon-power-fuel-pump-fto...

Check fuses and contact patch...corrosion is a problem;
Is there KOEO 12v to the relay? Does the relay ground while cranking?
If it grounds, does current flow through the switched side?;
Check underhood wiring for rot.

Regards,

wharf rat

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James Sweet - 08 May 2008 06:57 GMT

> Engine: B230F- There is no voltage going to the fuel pump(external). I
> replaced the fuel pump and also the relay. I think that I need to look
> at the control unit and/or the air mass meter? Hopefully, someone can
> get me started in the right direction, thanks!

Do you have a spark?

When the engine wiring harness in my '87 Turbo crumbled, the ignition
quit working and the fuel pump did not have power. The harnesses all
crumble so if yours is original rebuild or replace it, it's not too hard.

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