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T O P I C R E V I E W
Lester Mayo
Posted - 28 Feb 2015 : 16:47:30 I have a VDO tachometer from the 70's in the boat that was originally powered from a petrol engine coil. When the engine was changed by a previous owner to diesel this must have stopped working. I have a alternator fitted with a w connection on it. Should this work if I wire the tacho to the "W"
2 L A T E S T R E P L I E S (Newest First)
df
Posted - 28 Feb 2015 : 18:44:18 It depends on the number of poles the alternator has and the pulley ratio, most diesel tachos are adjustable for different setups. I had to add a phase tap to my alternators to connect tachos as my original tachos used a magnetic pickup on the flywheel with 4 slots machined in to trigger them.
