Hi.
Fitting gauges to an old Perkins is relatively easy...or any other
motor for that matter.
All you need is a live feed.normally taken from the ignition switch. The live goes to the gauge across the gauge down to the relevant sender. The gauge is basically a voltmeter and the sender is a variable resistor triggered by pressure or heat. Some senders need seperate grounding, most have internal grounding
Make sure that the sender you attach to is not an
alarm sender and that the senders on the
motor are dedicated dual or
single station senders and the correct voltage. . If you get unusual readings these things are often the problem.
Also colour code the wiring and note what goes where for later owners. I use 14 gauge wire as a
rule depending on the lenght of wire run and voltage. .
I have spent many a frustrating hour at the owners expense trying to figure out how the last three owners thought when they added or subtracted
gear. Always remove redundant wiring, use good quality crimps and where poss seal joints with shrink
insulation or liquid tape. Not insulating tape..it holds moisture and when its old and hot goes horribly sticky.
Cheers..Jerry
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