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steve tam

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About steve tam

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  • From
    Baton Rouge
  • Porsche Club
    PCA (Porsche Club of America)
  • Present cars
    986, 944
  1. I have a 2000 986s with manual transmission. A heavy rainstorm let the water getting into the alarm module under the driver seat. Flatbed it to home, alarm fired off 3 am in the morning, I have to pull off the fuses in the fuse box to stop the alarm. The other day, I took out the seat, removed the levers to open the trunk and killed the battery, then took off the alarm module. The small fuse in the alarm module is blown. I opened the box, it is not in a good shape, there are mold and rust on the circuit board, it seems to have moisture and water in there for some time before it is completely gone. Anyway, I dried it thoroughly, replaced the fuse, and hooked it up again. It doesn't work, the durametric cannot even detect the alarm module. I read other posts, the DME, alarm module, and the key have to match. So, what I was hoping is to swap with a used set of DME, alarm module, and key. I got a set from the same year 986s manual transmission. I cannot guarantee they are a matched set, but I have no reason to doubt it otherwise. I swapped the DME and the alarm module in, and keyed in the radio code. I can now use the key remote to lock the doors and trunks, the radio works, the gauge cluster turns on. The durametric shows no error code in the alarm module, but there is a error code--39 immobilizer in the DME, I cleared it by the durametric. The car still won't start, no crank at all. I checked that the "pill" from the donor car is in the key. Any idea is very appreciated. I have couple more questions. 1. Does the gauge cluster need to match the DME, too? Now the VIN in the gauge is not the same as that in the DME, would this be a problem? 2. Can I keep the old ignition cylinder, and just swap the key blade? Particularly, does the box (transducer??) on the ignition cylinder need to be swapped, too? Thank you!
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