The sensor everyone is speaking of is mounted in the proportioning valve mounted on the frame below the master cylinder. This valve monitors the correct pressure between the higher pressure front disc brakes and the lower pressure rear drum brakes. Usually if the light is on due to a pressure problem it's because of a blown brake line which is more than likely on a truck of that vintage (rusted). All the lines should be replaced on the truck for the least amount of headaches (the ones that don't leak will, once you disturb them changing the one that blew). Once the system is in good order and the brakes bled correctly the valve re-centers and the light goes out. If the parking brake (same light) is at fault it's likely a stuck parking brake cable due to crud and rust. How's you gas mileage?
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Today's Featured Article - The Rescue of a Fordson F - by Anthony West. Introduction I live in the UK and have for many years restored Fordson tractors (in the main model N's). I have also restored and shown model F's, E 27N's, Field Marshall Series 2, David Brown Cropmasters and the old rey Fergeson T 20. At one time I had seven restored examples which were shown and used in ploughing matches. As most restorers, I have a number of war stories I can relate on a range of topics that may help other like minded and interested people. Perhaps my first p
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