Black powermaster switch nos eBay

[gnxparts]

http://pages.ebay.com/link/?nav=item.view&alt=web&id=231018497399

 

[earlbrown]

what am I looking at?

auction says it's an A/C switch.

 

[49-blues]

It's the low pressure switch that screws on the accumulator that kicks the compressor on.

 

[49-blues]

It has the black rubber grommet covering the two holes where the prongs go.

 

[earlbrown]

That's an A/C switch according to the auction.

I think the powermaster pressure switch has male threads sticking out (seems like it's an O-ring seal). It's been a while since I removed one.

 

[49-blues]

It has two prongs like a plug but the rubber cover boot that covers the orings seems to be already on the switch. FTI in between the prongs on the switch is a slotted screw that allows for adjustment of the kick in or kick in pressure of the low side for the compressor.