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89 AUTO US IGNITION SWITCH QUESTION

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Old Feb 26, 2022 | 10:51 AM
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Default 89 AUTO US IGNITION SWITCH QUESTION

The ignition switch in my 89 is part #
928-613-017-01

The replacement switch I got is
964-613-012.00

Is this the correct replacement?
Parts manual a bit vague

ty
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Old Feb 26, 2022 | 12:25 PM
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PET lists the 964 part number for my GTS as it seems do parts vendors. I was looking around for options when i had a no start problem a year ago but in the end that was not the issue.

I can well believe anything with a 928 part number is more expensive but I never found a reference to a specific 928 part. They come in several garden varieties from URO made in heavens knows where at around $70 or genuine Porsche at around $140 or so.
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Old Feb 26, 2022 | 11:02 PM
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The 964 number is the new number that replaces the 928 one. Same part, just Porsche reducing how many part #s they need to keep track of.
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Old Feb 27, 2022 | 03:04 AM
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Just out of curiosity was your old switch shorting out or failing to stay in the correct physician? I posted a couple days ago about a fix that I tried. I drove a little hole through the black plastic very carefully right in the right location and basically flushed out the old grease and all the metal particles and I sprayed in some aerosol Dielectric grease and plug the hole. It seems to be great now
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Old Feb 27, 2022 | 08:40 AM
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I’ve had a lot of electrical gremlins with this car.
It had a lot of “aftermarket accessories” installed-
My problems are probably related to the plug wiring as you can see below.
I want to straighten that out and start fresh with a new switch.
I am a part changer more than an investigator unfortunately-

I was reading that someone replaced the 2 slotted screws holding the ignition switch with some hex screws for easier install-
anyone know the size?

also I am a terrible at soldering-
can anyone recommend some good connectors for this important area?





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Old Feb 27, 2022 | 08:48 AM
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..

Last edited by PC-85-928S; Feb 27, 2022 at 08:49 AM.
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Old Feb 27, 2022 | 09:41 AM
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Originally Posted by PC-85-928S
I’ve had a lot of electrical gremlins with this car.
It had a lot of “aftermarket accessories” installed-
My problems are probably related to the plug wiring as you can see below.
I want to straighten that out and start fresh with a new switch.
I am a part changer more than an investigator unfortunately-

I was reading that someone replaced the 2 slotted screws holding the ignition switch with some hex screws for easier install-
anyone know the size?

also I am a terrible at soldering-
can anyone recommend some good connectors for this important area?




Ugh. This photo right here makes the case for buying new cars. Glad you're straightening that out. Those exposed wires exiting the crimp connectors says a lot about the other treasures you're going to find in that car. The heat shrink pink ones are actually good and I use them a lot. They hold better and prevent corrosion by sealing to the wire. There are also hot melt shrink connectors with solder inside of them that also work well, but you have to get them really hot (like with a torch, not a heat gun) until the solder flows and working in a tight spot like that be very careful with the heat.

110 PCS Wirefy Solder Seal Wire...
Amazon Amazon
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Old Feb 27, 2022 | 09:48 AM
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Thanks I did the pink ones!

wonder what this is?





Last edited by PC-85-928S; Feb 27, 2022 at 09:52 AM.
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Old Feb 27, 2022 | 01:36 PM
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For anyone doing this job-
scrap the factory slotted screws and go this way on the install-
keep your piece of mind!




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Old Mar 6, 2022 | 05:38 PM
  #10  
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Good tip for installing new ignition switch-
with a Philips screw driver make sure the replacement switch is clocked all the way counterclockwise prior to install-
otherwise it will only turn 2 positions and you will have to take everything apart again to figure this out-
ask me how I know

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