1993 Ford F350 "low side ac pressure 93" Questions

...need to jumper the low pressure switch while you are recharging the system. There should be a low pressure switch on the low side line and a high pressure switch on the high side or on the

...low charge. Where do I start? I have gauges. sounds like LP switch. Evacuate rge systen, add one can of freon, Then start again, turn on ac and ck clutcg. on the canister on the passenger side under ...

...side under glovebox remove the black cover under the dash and there is a hidden fuse block with a ac fuse. Check for this a very common issue. Also if the ac is fully charged you can unplug the low ...

...low side should be just high enough to keep the compresser running with the engine reved up ( highway speed constant) it will be right at the low end of the blue end of the gauge and it should stay ...