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Thread: Check Air Suspension light with rear susp swapped to coil springs

  1. #1
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    Question Check Air Suspension light with rear susp swapped to coil springs

    My MGM had the rear air suspension swapped for coil springs before I bought it.
    So, up until now, I tolerated the result of a lazy man's job on it - the Check Air Suspension *ding!* light on the dash.

    NEVERMOAR! Time to get it sorted out. I got under the car and in the trunk - there are no air lines, so at least a part of the system has been deleted up to the compressor, which I believe is under the hood. The compressor switch in the trunk is OFF. Other than that, it's all unclear to me.

    The way I see it the control function for the air spring expects an "OK" signal from a sender at the compressor / pressure switch / air valve (?) and gets none; hence the *DING!* on my dash.
    Other than getting someone with a diagnostic tool for the Panthers and disabling this pesky light, the usual walkaround is at least in GM vehicles to fool it with a resistor bridging the end of the line that sends the air spring fault signal and kill the fault indication. I'd only need to know how to do this on a Panther.

    Ideas, gentlemen?

  2. #2
    BANNED! sxcpotatoes's Avatar
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    There's a way to wire the switch wires to ground or something to eliminate that light. I don't remember which ones do the job, but the information is here, and someone will probably help you shortly.
    ,
    Slicktop '91 GS HO 4.30 rear. '82 Mark VI Tudor HO, '90 F-150 XLT, '62 project Heep, '89 Arizona Waggin' and '88 donor in PA, getting combined.

  3. #3
    I'm an air-conditioned gypsy gadget73's Avatar
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    The light is on because the switch is off. If you turn it on, it should come on because it senses the missing parts, or it will come on when the ride height doesn't trim after whatever the internal timer is set to.

    There is a wire you have to disconnect in order to turn the light off, but I don't know which one. What year is the car?

    86 Lincoln Town Car (Galactica).
    5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

    91 Lincoln Mark VII LSC SE, triple black (Timewarp) - poly front bushings, KYB struts and shocks, Holley SystemMax1 lower intake, SilverFox AOD valve body,

    1984 Lincoln Continental TurboDiesel - rolls coal

    Quote Originally Posted by phayzer5 View Post
    I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

  4. #4
    No mean-spiritedness here. IPreferDIY's Avatar
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    Here's something for up to 2002:

    https://www.crownvic.net/ubbthreads/...2581337&page=1

    Dunno about later years.

    2000 Grand Marquis LS HPP, a hand-me-down in 2008 with 128,000 km; 175,000 km as of July 2014
    mods: air filter box "tuba" (in place of the "trumpet"), headlight relay harness, J-mod (around 186,350 km), 70mm throttle body, NKL4 PCM (from a 2000 CVPI, nothing great there apart from highway cruising), KYB Gas-A-Just shocks (after >202,000 km on originals)

  5. #5
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    Mine is 2000, LS.

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