Very often the voltage at the gauge is NOT the voltage at the battery where the alternator is hooked to. So the gauge is down stream, and measuring voltage at the cluster and this voltage is usually lower due to small wires and bulbs and other loads on it. Some times even have a foil circuit board on the back of the cluster that can have coorsion on it and on its connections. Cleaning all the connections will usually fix the problem. Remember the alternator has a voltage sense lead and it bring that point up to 14.2... turning an the headlights, heater, a/c could in fact bring other parts the wiring system down in voltage pending again on wire size, relay contacts and other factors. Dodge pickups have problems with a ground under the battery tray cause the over drive to hunt due to a .5 volt drop.. .enough to screw up the computer control.
But.. if it aint affecting the driving part, it probably aint worth chasing.
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Today's Featured Article - History of the Nuffield Tractor: Part 2 - by Anthony West. In February 1953 production of the ETC T.V.O engine started, ready for the March 1953 press announcements. The new TVO engine had a number of improvements which resulted in a 10 per cent more power (43bhp as against 38 bhp on the earlier engine) and 10 per cent more fuel economy. Some of the improvements are listed below: Redesigned combustion chamber, improved spark plugs and positioning, plug size 14mm(earlier size 18mm).
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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