What is this on this gage? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

86swb · 08-16-2005, 12:29 AM

I have seen these and was wondering what they are and what they are used for.

Russell · 08-16-2005, 01:04 AM

Thats a vehicle speed sensor. It just counts the number of speedometer cable rotations, and doubles it to make a 2 pulse per speedometer cable rotation signal that the ECM, and cruise use

86swb · 08-16-2005, 07:46 AM

Thanks, that is not my gage in picture. I took it off of the internet. The reason I asked is because when I took my gage out there is one of these hanging loose and was not connected to my gage anywhere. Is this suppose to hook onto the gage somewhere? Is this something I should have hooked up? I just want to make sure I have everthing right when I do put back together.

**Captkaos** · 08-16-2005, 11:45 AM

As Russell stated it is the Vehicle Speed Sensor. It is the optical sensor for cruise control. Here is a thread on what it looks like hooked up under the dash:

http://67-72chevytrucks.com/vboard/s....php3?t=167510

08-16-2005, 12:29 AM	#1
86swb Born a Chevy Man Join Date: Apr 2005 Location: Navarre, Florida Posts: 10,221	What is this on this gage? I have seen these and was wondering what they are and what they are used for. Attached Images __________________ John or 86 (Viet Nam combat Vet-BIG RED ONE) '65-'66 1986 Chevy SWB Silverado 1984 Chevy Longbed Silverado New Kia Sportage (Wife's car and she loves it) CHEVY, American made w/pride! If you can read this, YOU NEED TO THANK A TEACHER! If you can read this in ENGLISH, PLEASE THANK A SOLDIER! GOD BLESS AMERICA AND BLESS OUR FIGHTING TROOPS Last edited by 86swb; 08-16-2005 at 12:29 AM.

08-16-2005, 01:04 AM	#2
Russell Professional Grade Join Date: May 2003 Location: Fort McMurray, Alberta Posts: 7,915	Thats a vehicle speed sensor. It just counts the number of speedometer cable rotations, and doubles it to make a 2 pulse per speedometer cable rotation signal that the ECM, and cruise use __________________ 1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap)

08-16-2005, 07:46 AM	#3
86swb Born a Chevy Man Join Date: Apr 2005 Location: Navarre, Florida Posts: 10,221	Thanks, that is not my gage in picture. I took it off of the internet. The reason I asked is because when I took my gage out there is one of these hanging loose and was not connected to my gage anywhere. Is this suppose to hook onto the gage somewhere? Is this something I should have hooked up? I just want to make sure I have everthing right when I do put back together. __________________ John or 86 (Viet Nam combat Vet-BIG RED ONE) '65-'66 1986 Chevy SWB Silverado 1984 Chevy Longbed Silverado New Kia Sportage (Wife's car and she loves it) CHEVY, American made w/pride! If you can read this, YOU NEED TO THANK A TEACHER! If you can read this in ENGLISH, PLEASE THANK A SOLDIER! GOD BLESS AMERICA AND BLESS OUR FIGHTING TROOPS

08-16-2005, 11:45 AM	#4
Captkaos www.73-87chevytrucks.com Join Date: Dec 1999 Location: Birmingham, AL Posts: 6,935	As Russell stated it is the Vehicle Speed Sensor. It is the optical sensor for cruise control. Here is a thread on what it looks like hooked up under the dash: http://67-72chevytrucks.com/vboard/s....php3?t=167510 __________________ Chris Lucas 1973 Chevy C-10 1978 GMC Jimmy (2WD) - SOLD 1987 R10 twin turbo LS 1991 R3500 SRW CrewCab 1985 K5 diesel swapped project 1989 K5 2WD conversion w/ Vette susp Project Captkaos Customs 73-87chevytrucks.com

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