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99 c2 manual won't start

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Old 08-21-2022, 01:26 PM
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FREAKINHEAT
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Default 99 c2 manual won't start

99 c2 won't start. The lights to interior are on. Clutch is pushed in all the way. When I turn the key, there is no sound at all. No loss of lights. Nothing. It isn't the battery since I took one from my other car and tried that.

So what would be the next step? Is there a certain relay or fuse to check? If so which and where is it located?
Old 08-21-2022, 01:33 PM
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JohnCA58
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First thing I would try with a no cranking is go underneath and on the clutch pedal is a micro switch with two wires, pull them off and connect them together and check cranking. Myself I don't like having a clutch switch at all and leave it off so I can start without the clutch and prevent thrust bearing wear.
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Old 08-21-2022, 03:43 PM
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TexSquirrel
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Is your floorboard wet under your driver’s seat?
I agree with checking clutch pedal switch.
Check/replace ignition switch.
RockAuto is good cheap source.

https://www.rockauto.com/en/catalog/...er+switch,4700
(I keep several spares on hand for testing)

Last edited by TexSquirrel; 08-21-2022 at 03:46 PM.
Old 08-21-2022, 09:22 PM
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FREAKINHEAT
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I did the switch bypass. Put a 5 fuse between. Nothing. Connected them together directly, still nothing.

What's next?
Old 08-22-2022, 01:24 AM
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JohnCA58
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Next thing to check is what Tex mention above.
Old 08-22-2022, 08:50 AM
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jumpy chunky
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Originally Posted by FREAKINHEAT
99 c2 won't start. The lights to interior are on. Clutch is pushed in all the way. When I turn the key, there is no sound at all. No loss of lights. Nothing. It isn't the battery since I took one from my other car and tried that.

So what would be the next step? Is there a certain relay or fuse to check? If so which and where is it located?

fuses C1, C2, B8 also check start lock relay
Old 08-22-2022, 09:58 AM
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I ordered the ignition switch last night. Will be here Tuesday.
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Old 08-25-2022, 02:49 PM
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The saga continues.

Ok so the ignition switch was replaced, and car still does not start.

Are the fuses and relays the next item?

This is so weird. As all that had changed is the battery was disconnected and connected.
Old 08-25-2022, 02:58 PM
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e30rapidic
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jump the starter relay, its under the back seat.

On my 2004, it was relay #7

Last edited by e30rapidic; 08-25-2022 at 02:59 PM.
Old 08-25-2022, 03:07 PM
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Ok I found a relay chart. Is there another relay I could use to check to see if the one installed is bad?
Old 08-25-2022, 03:12 PM
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e30rapidic
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Originally Posted by FREAKINHEAT
Ok I found a relay chart. Is there another relay I could use to check to see if the one installed is bad?

remove the starter relay and jump with a piece of wire. I believe its from terminal 30 to 87? Make sure that ignition switch is turned to ON.

I did it a handful of times when I was working on my transmission swap.

Just make sure the car is not in gear!

Last edited by e30rapidic; 08-25-2022 at 03:15 PM.
Old 08-25-2022, 04:42 PM
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Have connected an OBD reader?
Old 08-26-2022, 09:07 AM
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Originally Posted by e30rapidic
remove the starter relay and jump with a piece of wire. I believe its from terminal 30 to 87? Make sure that ignition switch is turned to ON.

I did it a handful of times when I was working on my transmission swap.

Just make sure the car is not in gear!

yeah, jump between pin 30 and 87 on relay panel. You will have to turn key to start position.
Or swap relay for secondary air with the start lock.
Old 08-27-2022, 12:06 PM
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Problem solved. I changed the ignition switch, no start. Bypassed clutch switch, no start.

I checked fuses, all good. I then checked the starter relay under the rear carpet. I took the relay next to it, and switched them. Car started. I should have known owning a 928s4, relay relay relay......

Ordering part number 996 615 110 00

Thank you for all that made suggestions on helping me out.
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Old 07-16-2023, 03:42 PM
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Swimnbud
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Hello All, Can anyone provide a link to the relay diagram / location chart?


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