james6585 Posted March 25, 2009 Report Share Posted March 25, 2009 this is probably a stupid question or has already been answred in another thread but I need to know if I would need to get my pcm retuned after installing e-fans. thanks for the help in advance Quote Link to comment Share on other sites More sharing options...
misterp Posted March 25, 2009 Report Share Posted March 25, 2009 You do if you have wired them into the PCM. Mr. P. Quote Link to comment Share on other sites More sharing options...
sonickoolten Posted March 25, 2009 Report Share Posted March 25, 2009 ??so are u gonna make some more fans steve Quote Link to comment Share on other sites More sharing options...
james6585 Posted March 25, 2009 Author Report Share Posted March 25, 2009 ??so are u gonna make some more fans steve that really sucks it seems like everything you do you have to get a retune now how the hell am I going to get to futrel motorsports whitch is like a hour and a half away without my fans running Quote Link to comment Share on other sites More sharing options...
superslowss Posted March 25, 2009 Report Share Posted March 25, 2009 Hopefully this will help a bit. Correct me if I'm wrong...But if you have this sensor you do not need a re-tune? http://store.summitracing.com/partdetail.a...mp;autoview=sku Quote Link to comment Share on other sites More sharing options...
james6585 Posted March 25, 2009 Author Report Share Posted March 25, 2009 I whonder if I went and got the tune for the fans then took the old fans off when I got home and installed the e fans would that work Quote Link to comment Share on other sites More sharing options...
misterp Posted March 25, 2009 Report Share Posted March 25, 2009 ??so are u gonna make some more fans steve There WILL be a spring group purchase for efans as soon as I clear it with the site owners; they need to get paid. that really sucks it seems like everything you do you have to get a retune now how the hell am I going to get to futrel motorsports whitch is like a hour and a half away without my fans running Easy - Assuming you have stock-type efans running of a set of relays, you ground the trigger wires and the fans come on. Temporarily lengthen the blue and green efan trigger wires and run them into the cab, and add a switch so that when you throw the switch it grounds those wires and the fans will be on. Run the fans when the truck is moving under 45-mph, until you get them plugged into the PCM and have it retuned. I do not advise this as a long-term solution, because you will forget one day to turn the switch off and run the battery flat in a few seconds, BUT for one-time use getting it to FMS it will work great. Mr. P. Quote Link to comment Share on other sites More sharing options...
james6585 Posted March 25, 2009 Author Report Share Posted March 25, 2009 There WILL be a spring group purchase for efans as soon as I clear it with the site owners; they need to get paid. Easy - Assuming you have stock-type efans running of a set of relays, you ground the trigger wires and the fans come on. Temporarily lengthen the blue and green efan trigger wires and run them into the cab, and add a switch so that when you throw the switch it grounds those wires and the fans will be on. Run the fans when the truck is moving under 45-mph, until you get them plugged into the PCM and have it retuned. I do not advise this as a long-term solution, because you will forget one day to turn the switch off and run the battery flat in a few seconds, BUT for one-time use getting it to FMS it will work great. Mr. P. well it looks like the easiest way to go is just to get that kit superslowss is talking about shit I might as well and get the flex-a-lite wireing harness and fans also Quote Link to comment Share on other sites More sharing options...
sonickoolten Posted March 26, 2009 Report Share Posted March 26, 2009 u should wait 4 steves aka mr.p gb its a really nice fan Quote Link to comment Share on other sites More sharing options...
ss454327 Posted March 26, 2009 Report Share Posted March 26, 2009 that really sucks it seems like everything you do you have to get a retune now how the hell am I going to get to futrel motorsports whitch is like a hour and a half away without my fans running You shouldn't have a problem. The stock settings on my efans were to come on at 230 and my engine never got above 210 EVER and that was hotlapping at the track. When we tuned it and changed the tstat we lowered the on/off temps. 230 was the lowest temp my fans would come on at so you really don't need them all the time. Quote Link to comment Share on other sites More sharing options...
budhayes3 Posted March 28, 2009 Report Share Posted March 28, 2009 I whonder if I went and got the tune for the fans then took the old fans off when I got home and installed the e fans would that work Yes, you can get it tuned first then do the fans later, this is what I did when I did my 05 efans. My PCM was tuned for the fans a few weeks before I did the install. Quote Link to comment Share on other sites More sharing options...
james6585 Posted March 28, 2009 Author Report Share Posted March 28, 2009 well that is really good to know and the factory clutch fan worked until you hooked the 05fans into you pcm Quote Link to comment Share on other sites More sharing options...
budhayes3 Posted March 28, 2009 Report Share Posted March 28, 2009 well that is really good to know and the factory clutch fan worked until you hooked the 05fans into you pcm Yep, everything functioned normally, couldn't even tell that the PCM was tuned until I installed the fans and hooked everything up and the engine reached the efan turn on temp. Quote Link to comment Share on other sites More sharing options...
james6585 Posted March 28, 2009 Author Report Share Posted March 28, 2009 Yep, everything functioned normally, couldn't even tell that the PCM was tuned until I installed the fans and hooked everything up and the engine reached the efan turn on temp. thanks for that info that's going to make things a lot easier Quote Link to comment Share on other sites More sharing options...
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