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Car Forum / Porsche / Porshe 911 / February 2005993 Tail Stuck
Hi All, Searched google and found no helpful posts. Hopefully someone here can help. Got a 97 993 C4 Cab. The tail is stuck in the up position. It does not go down automaically, and the switch on the console has no effect. I checked the fuse in the front and it is good with good power on both sides of it. I checked the connector to the motor on the tail and it has no voltage, even when the switch is activated. So, somewhere in between the fuse and the motor something has gone bad. I've looked online and could not find a wiring diagram anywhere. Does anyone know what controls the tail and where it is located? I assume there is a relay or some electronic module inline between the switch and the motor, but I have no way to confirm this. Any help would be greatly appreciated. Thanks, -roy- I have the service manuals here, if no one else answers, bug me tomorrow and I'll maybe have time to look it up for you. > Hi All, > [quoted text clipped - 17 lines] > Thanks, > -roy- Well, nobody else has offered to help out. I would greatly appreciate it if you would look into this for me. Please email me at nospam@cademo.com. And, yes, that is a legitimate email address. :) Thanks, -roy- >I have the service manuals here, if no one else answers, bug me tomorrow >and [quoted text clipped - 24 lines] >> Thanks, >> -roy- you want sheet 8 of the schematic - it doesn't tell you where the control unit is exactly,but ... ther is a brown wire from the motor that is grounded and a yellow/green wire that goes to a connector "X24" pin 4, thence to pin 4 of the "control unit rear spoiler". Fuse 37 applies power to pin 6 of this unit. There is a set of signals from the "central informer" and a pair of microswitches one for "reetracted" one for "extended". These switches are NO, and grounded via brown wires. Green/black, via pin 6 goes to pin 10 of the control unit, extended is green/red via pin 7 to pin 8 of the control unit. Both of these are in parallel with the switch in the pass compartment for raising/lowering. The harness for the control unit is marked on the schematic WL Passenger comp. Connector X24 is a 10 pin connector "connection WL passenger compartment WL Tailgate, at position 16CL, "box RH side of engine compartment Sheet 16 says "control unit rear spoiler is at locaiton 7cm, on RH side of transverse wall which places it on the right side of the firewall at about the height of th etop of the wheel, aprox even with the top of the RH groove in the hood hope this helps bill > Well, nobody else has offered to help out. I would greatly appreciate it if > you would look into this for me. Please email me at nospam@cademo.com. [quoted text clipped - 32 lines] > >> Thanks, > >> -roy- Awesome information. Thanks. I'll post my findings. -roy- > you want sheet 8 of the schematic - it doesn't tell you where the control > unit is exactly,but ... [quoted text clipped - 66 lines] >> >> Thanks, >> >> -roy- Turned out to be a stuck microswitch. Thanks for all your help! -roy- > Awesome information. Thanks. I'll post my findings. > [quoted text clipped - 78 lines] >>> >> Thanks, >>> >> -roy- I'll remember that as something to check first when mine stops working bill > Turned out to be a stuck microswitch. > [quoted text clipped - 83 lines] > >>> >> Thanks, > >>> >> -roy- What made it stuck was interesting.... There were 2 rubber bolt head/nut covers floating around in the plastic housing. One of them got stuck between the down-limit switch leaf and the housing. The tail was in the up position, thus the controller saw both switches closed. In other words, it thought the tail was up and down at the same time, and therefore did not allow it to move. Removing the rubber nut cover released the switch and the motor resumed normal operation. The bizarre thing is that for the life of me I couldn't figure out where they came from. There was only one bolt head that they fit under there, but there were 2 covers. My simple solution was to just remove both, but I'm curios where they are suppose to go. Anyway, it works now and I'm glad I didn't have to pay the dealer the big $$$ to change the controller. -r- > I'll remember that as something to check first when mine stops working > bill [quoted text clipped - 100 lines] >> >>> >> Thanks, >> >>> >> -roy- |
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