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How do you check if the low pressure switch on a corvette 1977 is working?
Wiki User
∙ 18y ago
Of which low pressure switch are you speaking? Engine oil pressure switch? If you're checking that, remove the oil pressure sending unit and temporarily put in an oil pressure gauge. If you're checking the AC low pressure switch, pull the switch from the AC low pressure line, Jumper the switch socket and see if the AC compressor comes on. If it does, you either have low refrigerant pressure or a bad switch. If you KNOW the pressure is up and everything else works, you have a bad switch.
Wiki User
∙ 18y ago
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How do you check 1984 Corvette fuel pump pressure?
With a fuel pressure gauge.
Your air conditioning compressor on a 1996 Lincoln town car wont cut in but the clutch turns freely by hand?
check to see if you have enough low side freon pressure and/or if the low pressure switch is working. bypass switch by crossing the wires of the switch with a paperclip to apply trigger voltage to the coil on the compressor,also check to see if there is voltage going to the low pressure switch,if these measures don't work,disconnect the high pressure switch to see if that switch is stuck and shutting off power thru the relay.
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Why do courtsy lamps in 1996 corvette stay on when car is off?
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What is the ac switch closest to the heater core on a 1990 corvette called Ive replaced the cyling switch for the compressor and charged the system butI still cant get the compressor to engage.?
It's the low pressure switch. Check the compressor wiring and be sure it is grounding. Sometimes the clutch gap gets alittle wide and has to be regapped.
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Check bulbs Check fuses Check switch
How do you check 1984 corvette fuel pump?
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Why wont the oil light go out?
The reason your oil light stays might not be nothing major it might just need oil or an oil change. To be on the safe side, check the obvious things. Check the oil level. Make sure you have the right grade and new oil. Has the filter been changed recently? Check that the oil pressure switch is working, replace or substitute known good one. Temporarily, add a pressure gauge where the oil pressure switch is and check. Check wiring to switch, it may have come loose and touching the engine, or the cable shorted to earth. If all still points to no pressure, then you have a major problem. The oil pump has stopped working or there is massive wear on all bearings. Does the engine rattle?
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