The 1947 - Present Chevrolet & GMC Truck Message Board Network

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- LSx Swaps (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=206)

- - VSS wiring (https://67-72chevytrucks.com/vboard/showthread.php?t=675844)

Mikec10

07-06-2015 02:13 PM

VSS wiring

Hey guys Im working on wiring up my nv3500's speed sensor, which is a 2 pin sensor, pretty sure they're magnetic. From my understanding 1 pin is ground and the other pin is the signal? Or is 1 pin Low reference and the 2nd pin signal?

I'm just not sure If I need to use Pin 20 on the Red connector (c2 99-02 engines) which is the reference Low for a VSS. Then pin 21 would be the actual signal from the speed sensor. OR Do I just ground 1 pin on the sensor and just run my signal wire. Also does orientation matter or can I have the wires go to either pin on the sensor?

aknovaman

07-06-2015 05:17 PM

Re: VSS wiring

Either to 20 and 21 will work.

Mikec10

07-07-2015 01:59 AM

Re: VSS wiring

delete

Mikec10

07-07-2015 02:00 AM

Re: VSS wiring

Quote:

Originally Posted by aknovaman (Post 7232542)

Either to 20 and 21 will work.

Dude i'm subscribed to your yt channel lol what a coincidence. Thanks ill play around with 20 and 21.

whitels1

07-07-2015 02:43 AM

Re: VSS wiring

I have a manual and had my tuner delete VSS with no issues.

Mikec10

07-07-2015 03:47 PM

Re: VSS wiring

Quote:

Originally Posted by whitels1 (Post 7232978)

I have a manual and had my tuner delete VSS with no issues.

I will look into that If i have trouble wiring up my nv3500s speed sensor to work. Thanks for the heads up

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