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Q & A: Fuel Pump Wiring

My problem is while driving along at hiway speeds on the freeway in California, I ran over a 4x4 piece of lumber laying across the road. I ran over the 4x4 with my left front tire and it made a loud bang as it hit the underside of the car. The car took the bump rather well considering, but about 2 miles down the road the car started to act like it was running out of gas. I pulled off of the freeway and off to the side of a road where I had plenty of room to check out the car safely. I notice that the fuel pump was not ticking and I was not getting gas into the carb. My trusty test light showed that I was not getting power to the fuel pump. I have by-passed the roll over switch because it had been leaking previously. My question is, there a fuse that I can't find that allows power to the fuel pump? I would like suggestions as where to look before I start taking wiring looms apart to see where the white wire from the fuel pump eventually ends up. My MGB is a 1980 LE by the way. Any information that you may render would surely be appreciated. I've searched your manual and couldn't find this information anywhere. Thanks in advance for any help you can give. Bob

I was transferring files tonight when I came upon yours. You have, no doubt, found that the "impact switch" which lies above your left knee had "popped." Usually, simply depressing that switch (or is it pulling it up... read more