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RT-ENG Tach Board help #1691395 10/27/14 09:20 PM 10/27/14 09:20 PM
Joined: Jan 2003 Posts: 6,224 JERSEY RJS OP master
RJS OP master Joined: Jan 2003 Posts: 6,224 JERSEY	I bought this board off ebag and installed it in my tach today since I have the dash out. I specifically bought this one because it says just need a 12V source to calibrate. Anyone do this conversion and have any directions on this? http://www.ebay.com/itm/160944588899?_trksid=p2060778.m2749.l2648&ssPageName=STRK%3AMEBIDX%3AIT I didn't buy the regular board they sell because you need a running car and a spare Tach handy to calibrate. My car won't be fully together till who knows when!!! I emailed the seller and Greg@RT-Eng.com but no response yet. Thanks Ron Last edited by RJS; 10/27/14 09:21 PM.

Re: RT-ENG Tach Board help [Re: RJS] #1691396 10/27/14 11:56 PM 10/27/14 11:56 PM
Joined: Jun 2008 Posts: 1,822 Colorado D denfireguy top fuel
denfireguy top fuel D Joined: Jun 2008 Posts: 1,822 Colorado	http://rt-eng.com/rte/images/c/ce/M5tachboard_manual.pdf According to step 12, you put in the jumper and adjust the calibration pot to read 4,000 RPM. He did not offer this option when I bought mine. Back in the day, you could use a 12 Volt AC filament transformer to calibrate a tach using 60 cycle AC to simulate a running engine. Craig Last edited by denfireguy; 10/28/14 12:00 AM. 2014 Ram 1500 Laramie, 73 Cuda Previous mopars: 62 Valiant, 65 Fury III, 68 Fury III, 72 Satellite, 74 Satellite, 89 Acclaim, 98 Caravan, 2003 Durango Only previous Non-Mopar: Schwinn Tornado

Re: RT-ENG Tach Board help [Re: denfireguy] #1691397 10/28/14 01:16 AM 10/28/14 01:16 AM
Joined: Jan 2003 Posts: 6,224 JERSEY RJS OP master
RJS OP master Joined: Jan 2003 Posts: 6,224 JERSEY	Quote: http://rt-eng.com/rte/images/c/ce/M5tachboard_manual.pdf According to step 12, you put in the jumper and adjust the calibration pot to read 4,000 RPM. He did not offer this option when I bought mine. Back in the day, you could use a 12 Volt AC filament transformer to calibrate a tach using 60 cycle AC to simulate a running engine. Craig Craig I really appreciate you providing the link to that. Don't know why I wasn't smart enough to find them on my own. I figured it had something to do with that jumper!! Thanks Ron

Re: RT-ENG Tach Board help [Re: RJS] #1691398 10/28/14 08:50 AM 10/28/14 08:50 AM
Joined: Aug 2013 Posts: 518 Georgia S Steve Bryant mopar
Steve Bryant mopar S Joined: Aug 2013 Posts: 518 Georgia	Ron, please let us know how things turn out. I have a dead rallye tach and was going to attempt to replace the board like you. -Steve

Re: RT-ENG Tach Board help [Re: Steve Bryant] #1691399 10/28/14 08:56 AM 10/28/14 08:56 AM
Joined: Feb 2012 Posts: 4,454 Morristown Tn. 7 71birdJ68 master
71birdJ68 master 7 Joined: Feb 2012 Posts: 4,454 Morristown Tn.	If you contact them, they might do the install for you, they used to do that I think. I have one of their boards in my tach.

Re: RT-ENG Tach Board help [Re: 71birdJ68] #1691400 10/28/14 12:30 PM 10/28/14 12:30 PM
Joined: Jan 2003 Posts: 6,224 JERSEY RJS OP master
RJS OP master Joined: Jan 2003 Posts: 6,224 JERSEY	If you know how to solder the install is simple, I have it all installed just wanted to do the calibrate. Will be doing it today and will report back. Ron

Re: RT-ENG Tach Board help [Re: RJS] #1691401 10/28/14 09:58 PM 10/28/14 09:58 PM
Joined: Jan 2003 Posts: 6,224 JERSEY RJS OP master
RJS OP master Joined: Jan 2003 Posts: 6,224 JERSEY	Did the calibrate per the linked instructions today. Very easy to do, just hope it works good when I finally get the car back together. Ron

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