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<x-flowed>Hey Russ
Dave
On Sun, 2005-03-13 at 19:00, Dave Pallo wrote:Hey All..........well, my attempts at getting my T3 running today didn't work........first of all, I can't get the fuel pump relay to operate the fuel pump.....turns out I have no ground circuit to the relay..... according to Bentley....terminal #85 on the relay gets a ground signal from connector #19 in the brain.......however, I don't get a ground signal coming from #19 for some reason.....I have tried 3 different brains, but no ground signal coming from terminal #19. According to Bentley, I have a ground source provided to the brain via terminal #11 which is connected to the grounding terminal on the case....this I have checked out and I do have a good ground supply thru #11 to the brain....no problem there.... I have manually provided a ground source to relay terminal #85 (without grounding the wire back to the brain) and the fuel pump runs continuously. Also, I checked the wire from #19 to up front at #85 and I do have good continuity. Evidently, the brain must control when the fuel pump relay gets a ground, thereby allowing the fuel pump to run. There must be something that signals the brain to provide this ground, but I don't know what... What am I missing???
See the wire hanging loose by the gas line in this picture? http://www.thesamba.com/vw/gallery/pix/195943.jpg That is the other end of that wire on #85. Try grounding that wire, in the engine compartment, with the key on. This should make the pump run. This picture is of a car that has been converted to carbs, but it is a good shot of that wire.
-- Russ Wolfe '71 FB AT '66 FB MT '64 T34 (not running) '65 T1 (not running) '05 KIA Sorento SUV russw@classicvw.org http://www.classicvw.org
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-- David Sanderson (604) 822 - 4361 or (604) 255 - 4935 voice (604) 822 - 6842 fax porschedave@rennlist.net 1977 911S 3.0 L 1965 Sunroof Notch 1966 Notch http://members.rennlist.com/porschedave/ http://www3.telus.net/SUDAMA