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wiring fp sender to egr harness

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Old 07-11-2008, 06:17 AM
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Default wiring fp sender to egr harness

attempted this:
http://download2.efilive.com/Tutoria...20Tutorial.pdf

ran into this:
both the egr & the sender pigtail have different color wires than the wiring instructions...

sender has black, grey & blue

egr has brown, red, grey, purple & white

any suggestions?

thanks,
al

Last edited by Superado; 07-11-2008 at 08:36 AM.
Old 07-11-2008, 07:17 AM
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I send my Wide band 5v signal INTO the EGR brown (as do alot of folks), if that helps.
Old 07-11-2008, 08:37 AM
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edit...forgot the purple egr wire...
Old 07-11-2008, 09:16 AM
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Here's the pin out diagram on the Autometer 2246 sender:



I assume you are using a harness similar to this:



Now, to connect to the PCM you will connect this way:

1999+ LS1 PCM EGR Pin-Out:
Blue Connector:
Pin 41 - Black, EGR Pintle Position Ground - Grey wire
Pin 47 - Grey, EGR Pintle Position Sensor 5V Reference - Black wire
Pin 55 - Brown, EGR Pintle Position Sensor Signal - Blue wire
Old 07-11-2008, 10:11 AM
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DirtyJohn...that info is correct...thanks

405HP_Z06...that info is correct for the pigtail, however I have just found the egr harness info for the truck...thanks to cablebandit

from the gm dvd info on the egr harness,
brown 0-5
grey +5vdc
purple gnd

the pin config. of my sender...
http://shed51.com/sensors.htm

and the pic of my sender pigtail below,



we have come up with this...
sender/pigtail to egr harness

Blk (gnd) to purple (gnd)

Grey (+5vdc)to grey (+5vdc)

Blue (0-5) to brown (0-5)

Last edited by Superado; 07-11-2008 at 11:00 AM.
Old 07-11-2008, 11:31 AM
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Originally Posted by Superado
DirtyJohn...that info is correct...thanks

405HP_Z06...that info is correct for the pigtail, however I have just found the egr harness info for the truck...thanks to cablebandit

from the gm dvd info on the egr harness,
brown 0-5
grey +5vdc
purple gnd

the pin config. of my sender...
http://shed51.com/sensors.htm

and the pic of my sender pigtail below,



we have come up with this...
sender/pigtail to egr harness

Blk (gnd) to purple (gnd)

Grey (+5vdc)to grey (+5vdc)

Blue (0-5) to brown (0-5)
Are you using the Autometer FP sender? If so, you have the power and ground wires reversed.

It should be:
sender/pigtail to egr harness

Grey (gnd) to purple (gnd)

Blk (+5vdc)to grey (+5vdc)

Blue (0-5 signal) to brown (0-5 signal)
Old 07-11-2008, 01:27 PM
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Originally Posted by 405HP_Z06
you have the power and ground wires reversed.

It should be:
sender/pigtail to egr harness

Grey (gnd) to purple (gnd)

Blk (+5vdc)to grey (+5vdc)

Blue (0-5 signal) to brown (0-5 signal)
You sir are correct!
I do not have the AutoMeter sender, but the pin out is the same on the Rockwell:
http://shed51.com/sensors.htm
I was looking at the plug end of the pigtail the same as the sender's pin out, which is incorrect because it is actually a mirror of the sender...
good catch...thanks!

Last edited by Superado; 07-11-2008 at 01:52 PM.
Old 07-11-2008, 03:23 PM
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Old 07-12-2008, 10:42 AM
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I'm glad you posted this, I would like to hook something like this up.
Thanks.
Old 07-12-2008, 10:50 AM
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got it wired up last night...
used bullet connectors so I can un-hook and use with a 2-bar map for logging boost as well...
gonna try to log fp today and try to figure out why I'm not getting enuf fuel @ WOT...
Old 07-12-2008, 02:57 PM
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You should be able to run your 2bar MAP thru the existing MAP wiring. Check out the custom OS tutorial for setting up 2 and 3 bar MAPs
Old 07-12-2008, 03:03 PM
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I'll take a look at that...thanks...
I got the scan tool set-up to log fp...
works great!



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