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2000 gmc 5.3 tps

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Old 07-29-2017, 06:20 PM
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Default 2000 gmc 5.3 tps

I still haven't got my truck fixed!
Can somebody link me to a wiring diagram that shows where all three wires on the TPS go to?
My "New" mechanic wants one before we start cutting tape tracing the wires.
Old 07-29-2017, 06:54 PM
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If you go to lt1swap.com they have the wiring diagram for the pcm
Old 07-29-2017, 07:05 PM
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Blue connector
pin 46 GRA tps 5v reference
pin 54 BLK tps ground

red connector
pin 24 (no wire color) tps signal

The blue and red connectors iam talking about are the pcm connectors
Old 07-29-2017, 07:27 PM
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Originally Posted by gagliano7
Blue connector pin 46
GRA tps 5v reference pin 54
BLK tps ground

red connector
pin 24 (no wire color) tps signal

The blue and red connectors iam talking about are the pcm connectors



There is a black wire, a gray wire and a blue wire, but I cant find where each go to.
I found this diagram, but it doesn't help much.

http://www.ls1truck.com/forums/lsx-t...-diagrams.html
Old 07-29-2017, 07:38 PM
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Originally Posted by gagliano7
If you go to lt1swap.com they have the wiring diagram for the pcm

WOW ..... I guess I should have looked at the link before last post!!!!

Found everything I should need ....... THANKS!!
Old 07-29-2017, 07:51 PM
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.....
Attached Thumbnails 2000 gmc 5.3 tps-00-truck-tps.jpg  
Old 07-30-2017, 12:04 AM
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Thanks ..... I will print that one for him too.
Old 07-30-2017, 09:39 AM
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Tps voltage in factory form is usually around .55 volts at 0 throttle... you can turn the set screw if need be... but I bet it's around that now (unless someone has messed with it)
Old 07-30-2017, 10:01 PM
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TPS voltage is 0.00 right now ..... all 3 wires.



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