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-   -   Installed paddles on G37x Coupe but won't upshift (https://www.myg37.com/forums/d-i-y-installations-modifications/299463-installed-paddles-on-g37x-coupe-but-wont-upshift.html)

JakeC May 30, 2021 07:04 PM

Installed paddles on G37x Coupe but won't upshift
 
Hello

I have a 2010 G37x coupe and I just had paddle shifters installed since the X doesn't come with paddles from factory. I purchased oem paddles and it will downshift but not upshift, everything was installed and wired correctly as far as I can tell. Does the car need to be programed or something?

ILM-NC G37S May 30, 2021 07:37 PM

No programming. Entirely plug-and-play provided the harness came preinstalled in your car.

Do you have a multimeter and do you know how to check continuity? If so, you can check the paddle shifter switch itself.

JakeC May 30, 2021 07:48 PM


Originally Posted by ILM-NC G37S (Post 4296265)
No programming. Entirely plug-and-play provided the harness came preinstalled in your car.

Do you have a multimeter and do you know how to check continuity? If so, you can check the paddle shifter switch itself.

Thanks for the quick response!
I have a multimeter, how do I check continuity?

ILM-NC G37S May 30, 2021 08:10 PM

Here's a quick tutorial on testing for continuity: Fluke Meters, just FYI.

Set the meter to read continuity and disconnect the wiring connector for the paddle shifter.
Place probes on switch terminals (pins) NOT the connector itself. It does not matter which probe to which pin. Your meter should read "OL" (open line/ loop).

Now, use a strong rubber band to pull and hold the paddle toward the steering wheel while you touch the probes to the pins. Your meter reading should change from "OL" to a numeric value and may even beep. This indicates the circuit path is closed meaning the paddle switch is good.

If the meter still reads "OL" when you pull on the paddle, then the switch is probably bad.

JakeC May 31, 2021 11:33 AM


Originally Posted by ILM-NC G37S (Post 4296268)
Here's a quick tutorial on testing for continuity: Fluke Meters, just FYI.

Set the meter to read continuity and disconnect the wiring connector for the paddle shifter.
Place probes on switch terminals (pins) NOT the connector itself. It does not matter which probe to which pin. Your meter should read "OL" (open line/ loop).

Now, use a strong rubber band to pull and hold the paddle toward the steering wheel while you touch the probes to the pins. Your meter reading should change from "OL" to a numeric value and may even beep. This indicates the circuit path is closed meaning the paddle switch is good.

If the meter still reads "OL" when you pull on the paddle, then the switch is probably bad.

OK I'll give it a shot. Thanks for the detailed reply!

iCrap Jun 1, 2021 12:12 AM

you can open up the paddle, and bend down the little metal piece which slides to make contact and repair the switch. I have done it before, not too hard.

JakeC Jun 1, 2021 03:36 PM


Originally Posted by iCrap (Post 4296314)
you can open up the paddle, and bend down the little metal piece which slides to make contact and repair the switch. I have done it before, not too hard.

Thanks for the info!

King300 Aug 14, 2025 09:25 PM

I was installing a new carbon fiber paddle shifter, and I messed that little copper piece up, so i purchased a new paddle shifter, and the same thing happened, it bent it, and I think it's getting no contact do you know how I can fix it?
https://cimg8.ibsrv.net/gimg/www.myg...38a4e143e.jpeg
How to i secure that copper piece back??

King300 Aug 25, 2025 02:45 PM


Originally Posted by iCrap (Post 4296314)
you can open up the paddle, and bend down the little metal piece which slides to make contact and repair the switch. I have done it before, not too hard.

please I need some help I purchased new carbon paddle shifters and now my upshift won’t work i purchased 3 different oem ones and it keeps breaking the little metal contact inside I don’t know why but it’s very frustrating at this point
https://cimg6.ibsrv.net/gimg/www.myg...b2e932995.jpeg


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