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fuel pump relay circuit problem: fixed; with a twist and lesson 200 1983

First, a thanks to all who responded, especially lucid who coached me through learning the fuel pump relay circuits and responded to a number of my updates. What I ended up doing was rechecking the voltage at the relay connector using a multimeter, instead of the test light I was using before. This time all had voltage, but connection 30 read only 3.6V when there was 12V at fuse 7. I started to trace the lead to 30 back to fuse 7 to look for the fault and found, instead, that the wire went through the firewall, directly to the battery (+) terminal with an in-line fuse near the battery, by-passing the fuse 7 altogether. The fuse was in one of those holders without a cover and was badly corroded. There was enough of a connection to light up the test light, but not enough to turn on the pumps. So, went to my discount auto store, bought a new in-line holder and 15 amp fuse, and installed them; the car started right up and ran beautifully. And both of my fuel pump relays tested OK. I'm the second owner of this car and bought it about three years ago. It appears the wiring on this car has been modified, and that's the twist and lesson. All the advice and manuals like Bentley are based on a stock setup, but I know I shouldn't assume that on a 23 year old car without good maintenance records. The expertise on Brickboard was invaluable for me, as has been the case in numerous previous occasions, and gave me the clues needed. I'll think some more on the post from wolfi on the coil and what fuse 7 is connected to. Thanks again.

--Guri






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