Vintage Sun Machines  

Keeping an American tradition of quality alive!

Sun Motor Tester - ca. 1948

Had a day to myself and decided to tackle the old Sun Motor Tester. First thing I saw was a date stamp on all the modules (they all were built between March and Oct. of 1948). So this unit is pretty old.

Here's what I started with..

The first module out was the emissions unit. Like the cars of the time, All the modules run on 6V DC, so I used a 6V battery charger to power test the unit. It was intermittent -- lights flickered and the wiring was brittle. Time to disassemble the electrics and trouble shoot --

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