Date:         Wed, 28 Jan 2004 16:18:07 -0800
Reply-To:     mark drillock <drillock@EARTHLINK.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         mark drillock <drillock@EARTHLINK.NET>
Subject:      Re: 91(bus) dead on the freeway tech expertise needed !
Content-Type: text/plain; charset=us-ascii

Sorry, I screwed up when said that jumpering the fuel pump relay socket
still requires the ECU to run the pump. It doesn't. The pump should run
constantly if you jumper pins 87 and 30 of the fuel pump relay socket,
even with the key off.

Mark



mark drillock wrote:
>
> You can make a small jumper to bypass each relay. Use 2" of 12 or 14
> gauge wire. Put a male spade lug on each end. The .250" size, most
> common, 5 for $1. Plug that jumper into the relay sockets across holes
> 30 and 87. That will simulate a working relay that is turned on. Make
> sure to measure the back side of pin 87 on each socket as the key is
> turned on or after the jumper is in. One relay turns on the ECU whenever
> the key is on and the other turns on the fuel pump whenever the ECU
> tells the relay to do so. The above jumper will not make the fuel pump
> go unless the ECU is telling it to. The ECU runs the fuel pump for a
> couple seconds each time the key is turned on. Does it?
>