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Can stock 4.9 computer be used with 5 speed manual? by v8fiero400
Started on: 09-09-2006 09:42 PM
Replies: 4
Last post by: v8fiero400 on 09-11-2006 10:50 AM
v8fiero400
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Report this Post09-09-2006 09:42 PM Click Here to See the Profile for v8fiero400Click Here to visit v8fiero400's HomePageSend a Private Message to v8fiero400Direct Link to This Post
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PBJ
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Report this Post09-09-2006 10:02 PM Click Here to See the Profile for PBJSend a Private Message to PBJDirect Link to This Post
Yes it can with a custom PROM

Pete

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v8fiero400
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Report this Post09-10-2006 11:49 PM Click Here to See the Profile for v8fiero400Click Here to visit v8fiero400's HomePageSend a Private Message to v8fiero400Direct Link to This Post
.....what would be the complications if everything was correctly connected minus the transmission?
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J Gunsett
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Report this Post09-11-2006 06:03 AM Click Here to See the Profile for J GunsettClick Here to visit J Gunsett's HomePageSend a Private Message to J GunsettDirect Link to This Post
You need the VSS signal to the ECM or the car will stall when you come to a stop. The computer must know what speed you are doing so it can manage the fuel input. Read this:

http://www.frontiernet.net/~jgunsett/VSS.html

Also the 5 speed only puts out 4000 pulses per mile and a stock Caddy computer is programed at a higher number. There are some members of the forum that may be able to reprogram the chip for you.

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v8fiero400
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Report this Post09-11-2006 10:50 AM Click Here to See the Profile for v8fiero400Click Here to visit v8fiero400's HomePageSend a Private Message to v8fiero400Direct Link to This Post
 
quote
Originally posted by J Gunsett:

You need the VSS signal to the ECM or the car will stall when you come to a stop. The computer must know what speed you are doing so it can manage the fuel input. Read this:

http://www.frontiernet.net/~jgunsett/VSS.html

Also the 5 speed only puts out 4000 pulses per mile and a stock Caddy computer is programed at a higher number. There are some members of the forum that may be able to reprogram the chip for you.




Thanks for the info!......I understand now
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