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12-29-07, 07:27 PM

jvallo7

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pin out

what pins on the main harness would i have to swap to run a s5 ecu on a s4 harness?(splicing a s5 plug to s4 main harness)

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12-29-07, 07:31 PM

JWteknix

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what exactly are u trying to accomplish? why do u wana do that^

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12-29-07, 07:36 PM

NZConvertible

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Quote:

Originally Posted by jvallo7

what pins on the main harness would i have to swap...

All of them. They're completely different.

Why?

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12-29-07, 10:26 PM

jvallo7

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s4 to s5

im trying to run a s5 in my s4 ive got the s5 eng harness what goes to the ecu from
the main harness?

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12-29-07, 10:51 PM

glh-fc

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get a megasquirt and save yourself the headache.there are very few detailed diagrams for S4's (my personal experience).better off running S5 keg and S4 harness ,ecu,injectors,etc.

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12-29-07, 10:55 PM

AUGieDogie

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Not only are the pins themself completely different on the s4/s5 harness. The ECUs do different things in different ways You really should keep the harness and ecu together as a combo.

You can get N/A harness for a decent price in the for sale section. and the S5 N/A harness WILL run a turbo with just three wire changes.

OR get a stand alone.