Fuse 47.... are you using a relay or doing it manually. - Mustang Evolution

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Old 06-27-2015, 07:25 PM   #1
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Fuse 47.... are you using a relay or doing it manually.

Re-post....

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Old 06-27-2015, 07:35 PM   #2
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Photos of the finished product.
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Old 06-27-2015, 11:24 PM   #3
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soo.. whatis fuse 47 lol

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Old 06-27-2015, 11:38 PM   #4
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Quote:
Originally Posted by jayochs View Post
soo.. wtf is fuse 47 lol

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It resets the adaptive shifting which learns how you drive and adjusts shift points to improve fuel economy (and reduce performance!)
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Old 06-28-2015, 07:27 AM   #5
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If you're tuned you should be fine right
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Old 06-28-2015, 07:53 AM   #6
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Quote:
Originally Posted by jayochs View Post
soo.. wtf is fuse 47 lol

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Old 06-28-2015, 07:55 AM   #7
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Quote:
Originally Posted by Jon3.7 View Post
If you're tuned you should be fine right
No. The tune will set up the transmission when installed, but eventually the shift points will adapt to what the FORD ecu dictates.
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Old 06-28-2015, 07:55 AM   #8
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So.. every once and a while, unplug it?
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Old 06-28-2015, 08:07 AM   #9
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I've been using the relay mod since January. Snappier shifts, no problems, and no detectable change in fuel economy, so a win-win-win.
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Old 06-28-2015, 08:10 AM   #10
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I hate wiring....
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Old 06-28-2015, 08:26 AM   #11
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I hate wiring....
This isn't "wiring". Anyone that can't do this job should not change light bulbs.
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Old 06-28-2015, 10:40 AM   #12
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so, this wouldn't apply to a manual at all i presume?

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Old 06-28-2015, 10:44 AM   #13
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Quote:
Originally Posted by jayochs View Post
so, this wouldn't apply to a manual at all i presume?

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no
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Old 06-28-2015, 11:12 AM   #14
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Quote:
Originally Posted by TedG View Post
No. The tune will set up the transmission when installed, but eventually the shift points will adapt to what the FORD ecu dictates.
Apparently some of the tuners don't agree with the need to pull this fuse when tuned.
See item #41 of...
Throttle is non responsive
Bama says they don't recommend pulling fuse #47.
See post #12 of...
Had a strange occurance after pulling fuse #47
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Old 06-28-2015, 11:18 AM   #15
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Originally Posted by Diehard View Post
Apparently some of the tuners don't agree with the need to pull this fuse when tuned.
See item #41 of...
Throttle is non responsive
Bama says they don't recommend pulling fuse #47.
See post #12 of...
Had a strange occurance after pulling fuse #47


OK

My relay has been installed and untouched for over a year. I have not experienced any problems, but I have noticed snappier shifting. While BAMA and MPT suggest that you do not alter the Fuse 47 setup, they fail to state WHY. Could it be that they'd prefer you stay on the elusive hunt for performance improvements.... that they will glady supply? I honestly don't know their reasons for their recommendations.

BAMA and/or MPT are free to chime in if they have a good reason to share. I'll listen.
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Old 06-28-2015, 02:46 PM   #16
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Quote:
Originally Posted by TedG View Post
OK

My relay has been installed and untouched for over a year. I have not experienced any problems, but I have noticed snappier shifting. While BAMA and MPT suggest that you do not alter the Fuse 47 setup, they fail to state WHY. Could it be that they'd prefer you stay on the elusive hunt for performance improvements.... that they will glady supply? I honestly don't know their reasons for their recommendations.

BAMA and/or MPT are free to chime in if they have a good reason to share. I'll listen.
I agree that Bama and MPT are a bit wishy washy with their comments on the subject, but MPT implies they have fixed it in their tune. And Bama says theirs will modify what can be learned and just how far these adjustments can go.
But they should be coming out and saying whether it can be detrimental to pull the fuse with their tune installed and why. They may not know.
Oh BTW you kind of imply you have a tune but I didn't notice that anywhere. ???
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Old 06-28-2015, 02:49 PM   #17
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I've had a Bama tune since the beginning. I run it at 93 R. No problems.
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Old 06-28-2015, 02:57 PM   #18
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Originally Posted by TedG View Post
I've had a Bama tune since the beginning. I run it at 93 R. No problems.
Yes I just found that under your garage.
I am not tuned nor have I ever pulled the fuse. Having driven mine for a year now I should try it and see if I notice a difference. I suppose I should try pushing it a bit first to test it's capabilities, then do the same after pulling fuse.
Usually when I want to drive a bit more spiritedly, I put it in the auto/sport mode.
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Old 06-28-2015, 03:08 PM   #19
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I honestly don't know if pulling the fuse will affect the shift points without a tune. The tune re-sets the shift points and Ford's adaptive shifting tries to readjust it. Pulling the fuse sets the car back to the tuned points. At least that's my understanding.
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Old 06-28-2015, 03:09 PM   #20
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it's all in the programming. Ill go with my tuner suggests and be done.
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Old 06-28-2015, 07:51 PM   #21
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Relay Mod- 2 years and 0 issues
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Old 06-28-2015, 09:23 PM   #22
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This is one of those "when I get around to it" mods. I just pull the fuse every so often after the tune feels noticeably watered down.

Et voila, back to new again.
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Old 06-29-2015, 01:46 AM   #23
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If it's adaptive learning won't it readjust if you drive more aggressively?


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Old 06-29-2015, 02:43 PM   #24
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Quote:
Originally Posted by Jon3.7 View Post
it's all in the programming. Ill go with my tuner suggests and be done.
+1
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