2003 Chevy Blazer cannot find speed sensor wire on my vehic

VINNYG

MEMBER
2003 CHEVROLET BLAZER
6 CYL
4WD
AUTOMATIC
53,000 MILES

I own a 2003 chevy blazer 2dr 4.3l v6. What I am trying to do is find my vehicles speed sensor wire so I can tap into so I can install a pioneer head ubnit that displays your current speed. However I am unable to find this wire, or for that matter even where it is located in my engine compartment, can someone please help me I would appreciatte it thanks

5 Replies

BMRFIXIT

MECHANIC
19,053 POSTS

Speed sensor is located on right rear of automatic transmission
or the transfer case.(Right rear )

Was this

answer

helpful?

Yes

No

Monday, August 25th, 2008 AT 3:24 PM

VINNYG

MEMBER
2 POSTS

Is this the module that is on my righ in the front of the dash it says 4awd auto/2hi/2low. If this is where my speed sensor is, them where in this module can I find it and what is it's color

SPONSORED LINKS

Was this

answer

helpful?

Yes

No

Monday, August 25th, 2008 AT 4:01 PM

BMRFIXIT

MECHANIC
19,053 POSTS

OK can u tell me what is it that u are looking for because I am at a loss here?

What is the issue that u r trying to solve?

Was this

answer

helpful?

Yes

No

Monday, August 25th, 2008 AT 7:38 PM

VINNYG

MEMBER
2 POSTS

What I am trying to do is to tap into the vehicles speedsensor wire becuase I havea pioneer head unit thast will allow you to display this info in real, however, you need to tap into te vehicles speed sensor to do this. I do not know the location or what tis wire is going to look like can anybody help me please

Was this

answer

helpful?

Yes

No

Tuesday, August 26th, 2008 AT 5:30 AM

BMRFIXIT

MECHANIC
19,053 POSTS

Again speed sensor is located at the transfer case

it has two wires and its wires is covered by a shield that is grounded by the rear of the engine

wires run all the way to the power control module which is located right front of engine compartment
circuit # 822 and 821 color ppl/wht and lt grn/blk