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electrical problem - tried the normal stuff - help!


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hi!

I'm having some problems with my 996 Turbo 2001..

To make a long story short:

One day the alarm went of by it self, couldn't turn it off with my key, so had to unlock the car with my key, and turn the ignition to second position. this turned it of..

after this the car would not start.. so removed the cable from the battery, and tried after 20 minutes.. when the power was back on, all the instruments/lights on the dash turnd it self on, airbag failure ++++ like the key was at position two (except the airbagfailure, I don't get this on stage 2 when normal), but the key was not in the ignition.

After som time , I got the car going, so went for a drive, and no problems.

When I came back, the car would not stop, even if the key was removed from the ignition.. so I pluged the battery off..

Next time the power was reconnected, all the warning lights on the dash turned on, ad the spoiler went up, airbag failure++, I also heard a lot of relay clicking all over the car..

After some time the car started, don't know why..

the process above has been repeated many times the last days witout a fix...

after a quick google, I decided to replace the ignition switch.. so went to my local audi dealer and got one..

replaced it, and everything was back to normal..

after about 5 hours yesterday, I checked my car again.. the car was locked with alarm on, BUT all dash light turned on again, just like the key was on stage two in the ignition... so back at square one

The reason for me trying to fix it myself is that it will take 4 weeks before a Porsche dealer has free time to fix my car..

latest update:

Went to a Porsche dealer to day and bought a new switch with housing (part # 996 347 017 07)...

Moved the key cylinder over from the old one.. but still the car won't work..

when i connect the ground cable after replacing the houseing unit, all the warninglights go on (including airbag failure on screen), when I turn the key to ignition on, airbag fail goes away, fulpump etc make normal noice, but the car won't start.. it's 100% dead when turning the key over to crank the engine..

also tried an extra ground cable form the battery to the chassie, and a different battery.. (the one that's there is a 72 amp, i tried with a 62 amp).

I also did a mesuarment on the ignition cable connector.. I've got ground on the black/yellow cable all the time(on the right in picture), but no ground on the black one (on the left in picture), I get ground on both when ignition is turned on..

Is this correct??? (google pic, so sorry for bad quality..)

Up front: Thanx for all the help I can get, I don't understand what the &%/#")=¤ is going on..

5.JPG

Hope some of you smart guys can help, because I don't have a clue after the doing all of the above...

---

Kenneth

NORWAY

Edited by aremark1984
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hi!

I'm having some problems with my 996 Turbo 2001..

To make a long story short:

One day the alarm went of by it self, couldn't turn it off with my key, so had to unlock the car with my key, and turn the ignition to second position. this turned it of..

after this the car would not start.. so removed the cable from the battery, and tried after 20 minutes.. when the power was back on, all the instruments/lights on the dash turnd it self on, airbag failure ++++ like the key was at position two (except the airbagfailure, I don't get this on stage 2 when normal), but the key was not in the ignition.

After som time , I got the car going, so went for a drive, and no problems.

When I came back, the car would not stop, even if the key was removed from the ignition.. so I pluged the battery off..

Next time the power was reconnected, all the warning lights on the dash turned on, ad the spoiler went up, airbag failure++, I also heard a lot of relay clicking all over the car..

After some time the car started, don't know why..

the process above has been repeated many times the last days witout a fix...

after a quick google, I decided to replace the ignition switch.. so went to my local audi dealer and got one..

replaced it, and everything was back to normal..

after about 5 hours yesterday, I checked my car again.. the car was locked with alarm on, BUT all dash light turned on again, just like the key was on stage two in the ignition... so back at square one

The reason for me trying to fix it myself is that it will take 4 weeks before a Porsche dealer has free time to fix my car..

latest update:

Went to a Porsche dealer to day and bought a new switch with housing (part # 996 347 017 07)...

Moved the key cylinder over from the old one.. but still the car won't work..

when i connect the ground cable after replacing the houseing unit, all the warninglights go on (including airbag failure on screen), when I turn the key to ignition on, airbag fail goes away, fulpump etc make normal noice, but the car won't start.. it's 100% dead when turning the key over to crank the engine..

also tried an extra ground cable form the battery to the chassie, and a different battery.. (the one that's there is a 72 amp, i tried with a 62 amp).

I also did a mesuarment on the ignition cable connector.. I've got ground on the black/yellow cable all the time(on the right in picture), but no ground on the black one (on the left in picture), I get ground on both when ignition is turned on..

Is this correct??? (google pic, so sorry for bad quality..)

Up front: Thanx for all the help I can get, I don't understand what the &%/#")=¤ is going on..

5.JPG

Hope some of you smart guys can help, because I don't have a clue after the doing all of the above...

---

Kenneth

NORWAY

Hi Kenneth,

There is alot going on there.

I am a little confused, how many times have you changed the ignition switch. It would appear reading your post you have done it twice??????

I know you have changed batteries, but are you sure:

1. The cars battery is charged !

2. The 2nd battery you tried was charged !

3. The car is is charging the battery! When the battery goes flat all sorts of problems occur with these cars.

I don't understand why the car would not turn off, but more worrying is you turned it off by disconnecting the battery. Never ever disconnect the battery when the car is running or damage to the cars control units can occur. If you have to stop the car like that again pull the fuel pump fuse out.

When reconnecting the battery, you can get all sorts of dash lights, so long as they all go out once the car runs then its normal.

Firstly, I would check the car is charging the battery, you have changed the ignition so that cant be at fault.

Let us all know what voltage you are getting at the battery when the engine is off and when running.

Frank

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