comprsr wrks wen hot wird

[chilsam]

Swapped in a 91 4.0 into and in place of 89 2.9 ranger 5 speed "ITS GREAT" Compressor engages when hot wired and ac light comes on when switch is pushed on but compressor does not engage any ideas on what to check? THANX!

 

[trail B2]

There is a switch on the low pressure side of the air cond system.If the pressure is to low the comp wont kick on.On my 93 you can see the switch in front of the air unit on the low side.

 

[chilsam]

Css ?

Are you talking about the clutch cycling switch? I tried using a jumper on its plug and still nothing, "NO POWER" ?? THANX 4 responding any input is helpful.