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  • From
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    85 944 (SCCA ITS / 944 Cup)
    86 951
    05 987S

markl951's Achievements


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  1. Have checked a few things since first posting. Rear spoiler works fine at speed. Followed the wife down the highway. Pops up at 75 MPH. Goes down around 50 MPH. Good! I had the radio out installing an FM modulator and decided to check the switch. This car does not have PASM or sport chrono so the only two switches are for the rear spoiler and PSM. The two switches are assembled together into a single module and a single wire harness connectors connects to the back of this module. Was thinking that if the switch was bad I could just replace that. Doesn't appear to be the easy fix. Anyone else replace a faulty rear spoiler switch to fix this problem?
  2. Thanks Loren. Newer == more complicated. Figures! I'll look into the PIWIS.
  3. Manual switch for the rear spoiler doesn't make the spoiler go up. Checked the fuse and it's fine (Row A, Fuse 3). Don't seem to be getting a warning message in the on board computer display. I don't think it goes up at 75MPH either but I need someone to follow me to find out. I know 986 Boxsters have two relays under the carpet in the left rear. One for up, one for down. If the up relay is bad you can swap them see if you have a bad relay. 987 Boxsters don't seem to have those same two identical relays. One relay (964 615 275 00) seems to be an AC System related relay (Pelican search). The other is a Bosch part number. Not having the electrics manual I can't figure out what it does. Any suggestions on where to go next in search of fixing the rear spoiler operation? Thanks.
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