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  1. #101
    Saab Nut
    Join Date
    06 Mar 2011
    Location
    Westport, Pennsylvania, United States
    Posts
    410
    Saab(s)
    93 9000 CSE, 85 900T

    Project Car 1985 900T

    Ok, I do know what that is. I was planning on clay bar and some good carnauba wax.

  2. #102
    Saab Nut
    Join Date
    06 Mar 2011
    Location
    Westport, Pennsylvania, United States
    Posts
    410
    Saab(s)
    93 9000 CSE, 85 900T
    Another clue to the No shut off issue.
    I put a volt meter from ground to pin 60 and while the key is in run mode it measures 13.12 volts, if I switch off the key the volt meter drops to 4.9 volts but keeps running. Really leaning to a pull down resistor. Anybody know how to calculate the correct value and wattage?

  3. #103
    Saab Nut
    Join Date
    06 Mar 2011
    Location
    Westport, Pennsylvania, United States
    Posts
    410
    Saab(s)
    93 9000 CSE, 85 900T
    Ruled out a few more things on the no shut off issue. Not the speed sensor, Pull down resister on run input to T5 no effect, pulled tps and map sensor no effect. Somehow 5 volts is getting to the run input after I turn the key off? Determined to find the culprit

    On the plus side I tightened and re aligned the exhaust, aligned the shifter, And learned about Antique tags which are life time, require no inspections, and very reasonable insurance.

  4. #104
    Edward G
    Saab Enthusiast
    Join Date
    10 Mar 2011
    Location
    Victoria Australia
    Posts
    121
    Saab(s)
    T5.5 84 900T8
    why don't you run through which wires you have hooked up in t5

    I did not connect

    pin 13 14 15 20 21 27 28 29 35 36 38 51 52 54 55 57 59

    I'd consider disconnecting any of those if you have them connected ,they are all auxilary/NA to the c900

    I'd also consider the ECU as bad. If you didn't have the car ignition wiring out then the problem has to be your t5 wiring on the t5 ecu

  5. #105
    Saab Nut
    Join Date
    06 Mar 2011
    Location
    Westport, Pennsylvania, United States
    Posts
    410
    Saab(s)
    93 9000 CSE, 85 900T
    I don't have any of those hooked up either. I have all the wires labeled and coiled up. I may add cruise control, AC, Shift up, CEL etc... over time.

    I removed the c900 ignition system wiring completely.
    That's why I am certain I have the +15 going to the run signal on pin 60. The only 5 volt regulator in the car is in the ECU so I must have a loop somewhere.
    I do not have a 2nd 5.2 ECU I would have to double BIN a 5.5 unit of which I have 2.
    Attached Images Attached Images  

  6. #106
    Saab Nut
    Join Date
    06 Mar 2011
    Location
    Westport, Pennsylvania, United States
    Posts
    410
    Saab(s)
    93 9000 CSE, 85 900T
    This one is better
    Attached Images Attached Images  

  7. #107
    Edward G
    Saab Enthusiast
    Join Date
    10 Mar 2011
    Location
    Victoria Australia
    Posts
    121
    Saab(s)
    T5.5 84 900T8
    I mean if you haven't messed with the key ignition wiring (not the electronic ignition engine management wiring) then you shouldn't have any problems unless the ECU is bad

    i'd flash another ECU

    maybe t5.2 wiring is different?

  8. #108
    Saab Nut
    Join Date
    06 Mar 2011
    Location
    Westport, Pennsylvania, United States
    Posts
    410
    Saab(s)
    93 9000 CSE, 85 900T
    I have the T5.2 factory manual which is what my list is based on. I know the AC system for 93 has inverted I/O for interface to the TCS system, perhaps others are as well. I can double check that. I wired the main and system relays very much like the 94 9000 schematic, but used the 900 relays and relocated them to be near the ECU which is where the APC box would be on 86+ cars.

  9. #109
    Saab Nut
    Join Date
    06 Mar 2011
    Location
    Westport, Pennsylvania, United States
    Posts
    410
    Saab(s)
    93 9000 CSE, 85 900T
    Got the no stop issue sorted, sort of..

    I can not find the issue with the +15 circuit, but I was able to move the Pin 60 signal to the accessory circuit on the key switch and the motor shuts off just fine now.

    Also ordered up Antique plates which will take a few weeks.

  10. #110
    Saab Fan
    Join Date
    17 Mar 2013
    Location
    Linden, NJ
    Posts
    17
    Saab(s)
    1997 9000 CS(sold), 2003 9-3SS, 2001 9-3 Viggen(Sold...then re-bought :D)
    that thing is gonna be something special. when i saw the use of kapton tape i was saying to myself im not the only one who would do this anymore lol. wish you continued luck with it...i'll be following this

 

 

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