www.supco.com
a hard start helps a weak compressor get up to speed where it's
original start parts cant. a 3 in 1 comes with overload, relay,
capacitor. a 2 in 1 comes with relay and capacitor. the 2 in 1 leads go
on the run and start terminals on the compressor, you can leave existing
parts connected. and like I said on a different post with all the wires
not connected to compressor terminals take a meter have meter set to
continuity and have one lead to ground and the other touch to each
compressor terminal one at a time if meter reads on any terminal then
compressor is shorted to ground and is junk.


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hiebs
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