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E-mailed support and they are unable to answer, said look for free advice on forum. 12200411 swapped form 2002 V6 to 98 5.7, unlocked and pinned correctly, will start and run poorly on 6 injectors....

Check out www.Woodsbuggy.com, lots of good old boys using Ecotecs and tuning stock ECMs with HP tuners, no pill key, no BCM, etc.

Yep, unplugged the stereo and all is good. Thank you!

Thanks for the quick response Bill. I'll let you know how it works out.

Boot loader download request timed out. How can this be fixed?

theft deterrent module
L31

I put a 98 Siverado 5.7 in a 97 Astro AWD with the 98 ECM hoping to unlock the 98 as it is on the support vehicle list. It won't read and when I sent the file log in the response came back as...

Thank you, will proceed in that direction

Cash is good:)

Here is the story: 07 L61 in rail buggy no bcm/pcm. Does anyone have for sale a tested tune that will work with only the ecm? Need someone experienced with transplants.Thanks for looking.
Doug

I can make your life more easier with this pcm ;)

Thank you for the help. If nothing else works I could go back in time and use a fan temp switch from the 80's. I would prefer to solve the problem with the ECM and stock ECT switch though. Looks like...

I am running a pair of fans through a single relay with the fan power dedicated to a single circuit with a 20 amp fuse. The relay control positive feed comes from the same switched power as the ECM...

I checked the fan desired and it appears no % selection vs ECT/vs AC. Also the fan relay control state vs desired % and it is none,none. The fan motors are aftermarket so the amp pull is unknown so...

The fans come on and run constantly after the start delay even though the temp settings have not been met. I know that AC function controls the fans also but in the event of an AC failure I have to...

i believe fan controlls in the editor are in the top row of accessible areas and your answer should be in there. its a fan symbol and usually has all the fan controlls in it and if i remember...

I've got a buggy with an 07 2.2 Ecotec and no AC. Is there an easy to understand way to make the fan work? I used the low speed wire from the ECM to the relay and it will turn on and off with the...

HP Tuners it is then. Thank you

Where is the best place to purchase HP Tuners? I was looking at Summit but was curious if there are alternate sources? Thanks for any help for a newb, Doug