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| 420A Engine Management: EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, etc - specific to 2G N/T DSMs. |
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06-18-2012, 01:18 PM
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#1 (permalink)
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Proven Member
From: Pickens, SC, South Carolina
Registered: May 2012
Reputation: 
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MS1 Extra need help with tach and speedo
Ok guys I need help with my tach and speedo. So far I have neither, I know how to get into the megasquirt program from my computer. It is a MS1 extra V 3.0... any help will be greatly appreciated. What do I need to do to get it working?
Thanks,
Jason
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1990 TSI AWD... My first 4g63 :)
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06-22-2012, 01:36 AM
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#2 (permalink)
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Proven Member
From: Fl, Florida
Registered: Mar 2011
Reputation:
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What are you doing with the tach and speedo? Your trying to setup MS to control the factory rpm and speedo gauges?(the VSS itself controls the speedo gauge) Do you have the circuit in your MS to put out an RPM signal?
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06-24-2012, 01:07 PM
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#3 (permalink)
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Proven Member
From: Pickens, SC, South Carolina
Registered: May 2012
Reputation:
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I'm not sure man.... My engine has been taken out and beefed up, I guess that they were never hooked back up when it was dropped back in. What and where do I need to check on these?
____________________________
1990 TSI AWD... My first 4g63 :)
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06-24-2012, 10:25 PM
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#4 (permalink)
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DSM N/T Moderator
From: Ft. Lauderdale, Florida
Registered: Jun 2005
Reputation: 
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Quote:
Originally Posted by GSTurbo1
I'm not sure man.... My engine has been taken out and beefed up, I guess that they were never hooked back up when it was dropped back in. What and where do I need to check on these?
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Were the gauges working before the engine was taken out, but after the MegaSquirt ECU was installed? Or did they stop working as soon as you installed your MegaSquirt system?
____________________________
-Paul
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06-25-2012, 09:02 PM
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#5 (permalink)
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Proven Member
From: Pickens, SC, South Carolina
Registered: May 2012
Reputation:
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They were working before the engine was taken out and built
____________________________
1990 TSI AWD... My first 4g63 :)
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06-26-2012, 02:32 AM
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#6 (permalink)
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DSM N/T Moderator
From: Ft. Lauderdale, Florida
Registered: Jun 2005
Reputation:
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Quote:
Originally Posted by GSTurbo1
They were working before the engine was taken out and built
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It sounds like a wiring problem, and not an issue with the MegaSquirt system then.
____________________________
-Paul
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06-26-2012, 09:17 AM
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#7 (permalink)
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Proven Member
From: Spartanburg, South Carolina
Registered: Apr 2005
Reputation:
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The previous owner told me this car has a bad factory ECU in it and had MS installed to bypass all that, the MS unit that was installed in it does not have the tach output feature installed on it.
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415whp 365wtq on 2.0L
Journal: Project Alice
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06-26-2012, 10:25 AM
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#8 (permalink)
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Proven Member
From: Pickens, SC, South Carolina
Registered: May 2012
Reputation:
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i switched ecu's and that seems to not be the problem. I know the guy that originally built it and they said TDC in sburg cut corners when Dropping the engine back in
____________________________
1990 TSI AWD... My first 4g63 :)
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06-26-2012, 11:47 AM
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#9 (permalink)
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Proven Member
From: Spartanburg, South Carolina
Registered: Apr 2005
Reputation:
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TDC never put the motor in, the last guy that owned it did. All TDC did was install the MS unit.
What he probably didn't say is that the whole mess started because one of his 4g friends tried to install an AFC and burnt the ecu and what not, so instead of buying an ecu he decided to go ms and trailered his car to the shop. Not saying that they didn't cut corners just trying to make sure you know the story behind the car!
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415whp 365wtq on 2.0L
Journal: Project Alice
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06-26-2012, 12:22 PM
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#10 (permalink)
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Proven Member
From: Pickens, SC, South Carolina
Registered: May 2012
Reputation:
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dang... looks like I got myself in kind of deep. I have it running pretty smooth just some odds and ends that need to be tied down.
____________________________
1990 TSI AWD... My first 4g63 :)
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06-26-2012, 04:01 PM
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#11 (permalink)
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DSM N/T Moderator
From: Ft. Lauderdale, Florida
Registered: Jun 2005
Reputation:
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Well, you can always have the tach circuit installed. Like Gruff said, the speedometer gets its signal from the VSS. There's either a break in the wiring between the VSS and gauge, the VSS isn't powered, or the sensor is just broken.
____________________________
-Paul
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06-26-2012, 06:32 PM
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#12 (permalink)
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Proven Member
From: Pickens, SC, South Carolina
Registered: May 2012
Reputation:
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were would be a good place to learn a about this
____________________________
1990 TSI AWD... My first 4g63 :)
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