Help! 4l80e 2003 chevy Silverado.

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03-29-2016, 07:46 PM

#11

tgui

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Quote:

Originally Posted by Flewbyu123

Well Still having a problem!!! I don't have on my 4l80e Transmission ( AT ISS Speed Sensor ) So what do I do when I have none?????

You simply put one in! Is one of the two sensors in the case missing you're saying? Have a pic of your trans?

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03-29-2016, 10:45 PM

#12

Flewbyu123

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Quote:

Originally Posted by tgui

You simply put one in! Is one of the two sensors in the case missing you're saying? Have a pic of your trans?

Should it have a green and a purple wire going to it?

Last edited by Flewbyu123; 03-29-2016 at 10:58 PM.

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03-30-2016, 04:30 AM

#13

Flewbyu123

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Quote:

Originally Posted by Flewbyu123

Should it have a green and a purple wire going to it?

ir has the blank plug on the right and a 2 pin plug on the left of this photo.

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03-30-2016, 09:22 AM

#14

Wolftrk99

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2wd has iss and oss on the trans, 4wd has iss on trans and uses the tcase for the oss

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03-30-2016, 11:49 AM

#15

Flewbyu123

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Quote:

Originally Posted by Wolftrk99

2wd has iss and oss on the trans, 4wd has iss on trans and uses the tcase for the oss

So I need to unplug the one in photo and hook it up as the Iss plug ? and do I need to add the Oss sensor to which the plug with the green and purple is for?

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03-30-2016, 01:52 PM

#16

Wolftrk99

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If youre two whee drive then yes.... Not sure on wire colors off top of my head but i can look those up later this afternoon

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03-30-2016, 02:31 PM

#17

Flewbyu123

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Quote:

Originally Posted by Wolftrk99

If youre two whee drive then yes.... Not sure on wire colors off top of my head but i can look those up later this afternoon

Yes its a 2wd .. And thanks for the help..

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03-30-2016, 03:10 PM

#18

Wolftrk99

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Not best pic but this is what they shoukd look like....

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03-30-2016, 11:05 PM

#19

Flewbyu123

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I have both sensor now... I just hope I wired it right.. So I hook up the Iss sensor at the rear of the transmission, which is the output speed sensor..

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