ELC won't deflate - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-21-2007, 06:31 PM   #1
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Default ELC won't deflate

I noticed last night that the ELC was slightly higher than usual. I was getting ready to leave work this afternoon and it looks like I'm prepped for the track.

What could be causing this and what would be a solution to get it back down to normal height??

DigiCam is broke so I can't get pics of the height
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Old 09-21-2007, 08:16 PM   #2
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there is a white wire by the compressor, ground it. If it doesn't deflate or you blow a fuse you have a bad compressor. the yellow wire grounded turns on the compressor.
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Old 09-22-2007, 12:03 PM   #3
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Check ELC 30 amp fuse located on the RH under hood fuse block &
ABS/CCR 10 amp fuse #5B located on the instrument panel fuse block.

If the fuses are OK then remove the right rear wheel & make sure the ELC sensor linkage is still connected to the lower control arm.

If the fuses & sensor linkage are OK then you need to see if the exhaust solenoid on the air compressor is working. If you connect 12 volts to the white wires air should escape from the compressor & the rear of the car should start lowering.

Let us know what you find & we’ll continue from there.
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