Chipping an Automatic ECU
Thread Starter
Joined: Aug 2002
Posts: 2,028
Likes: 10
From: Comerio, PR, USA
Ok, I know how to convert and auto to manual but I have a client who wants me to chip a P28 to run his stock LS motor BUT with an automatic tranny!
Does the auto/manual resister even come into play anymore once an ECU is chipped?
Also, when converting an ODB2b car to ODB1, isn't it true that the small connector that goes to the automatic transmission gets left out after the conversion to ODB1?
Does the auto/manual resister even come into play anymore once an ECU is chipped?
Also, when converting an ODB2b car to ODB1, isn't it true that the small connector that goes to the automatic transmission gets left out after the conversion to ODB1?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 7rrivera7 »</TD></TR><TR><TD CLASS="quote">Ok, I know how to convert and auto to manual but I have a client who wants me to chip a P28 to run his stock LS motor BUT with an automatic tranny!
Does the auto/manual resister even come into play anymore once an ECU is chipped?
Also, when converting an ODB2b car to ODB1, isn't it true that the small connector that goes to the automatic transmission gets left out after the conversion to ODB1?</TD></TR></TABLE>
The P28 ecu will not control the auto LS tranny by itself. You need an auto-auto conversion harness----> http://rywire.com/store/automa...5ce69
Then you will need to get an OBD1 auto P75 LS ecu and TCM for the setup. The TCM has to control the tranny.
Does the auto/manual resister even come into play anymore once an ECU is chipped?
Also, when converting an ODB2b car to ODB1, isn't it true that the small connector that goes to the automatic transmission gets left out after the conversion to ODB1?</TD></TR></TABLE>
The P28 ecu will not control the auto LS tranny by itself. You need an auto-auto conversion harness----> http://rywire.com/store/automa...5ce69
Then you will need to get an OBD1 auto P75 LS ecu and TCM for the setup. The TCM has to control the tranny.
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