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orange914 Samba Member
Joined: June 01, 2005 Posts: 76 Location: Ca
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Posted: Sun May 01, 2016 6:19 pm Post subject: Mk1 factory tach gauge set install/conversion question |
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I've got a rare, very nice low mile gauge set from a "mk1 sport truck"with the factory(gas)tach on the right side. How much modification would it be to have tach operational on a 1.6 diesel mk1 truck? |
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ps2375 Samba Member
Joined: April 24, 2014 Posts: 2471 Location: Meridian,ID
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Posted: Mon May 02, 2016 1:40 pm Post subject: Re: mk1 factory tach gauge set install/conversion question |
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The gas tach is driven via coil(-), how is the diesel tach driven, is it mechanical? |
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vwoldbug Samba Member
Joined: January 28, 2009 Posts: 1214 Location: Ohio
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Posted: Mon May 02, 2016 11:29 pm Post subject: Re: mk1 factory tach gauge set install/conversion question |
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I believe the alternator needs a W terminal for it to work . Show us a picture of the back of alternator. |
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orange914 Samba Member
Joined: June 01, 2005 Posts: 76 Location: Ca
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Posted: Tue May 03, 2016 7:26 am Post subject: Re: mk1 factory tach gauge set install/conversion question |
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ps2375 wrote: |
The gas tach is driven via coil(-), how is the diesel tach driven, is it mechanical? |
No mechanical factory tach input |
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orange914 Samba Member
Joined: June 01, 2005 Posts: 76 Location: Ca
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Posted: Tue May 03, 2016 7:34 am Post subject: Re: mk1 factory tach gauge set install/conversion question |
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vwoldbug wrote: |
I believe the alternator needs a W terminal for it to work . Show us a picture of the back of alternator. |
Yes, I have a W terminal and presently have an aftermarket mini tach. It reads very inaccurately, main issue is when an electrical load, like lights on, the tach drops dramatically.
I wonder what if anything is needed to plug in the gassier unit?? |
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TeamSpatula Samba In The Rain
Joined: February 03, 2004 Posts: 5211 Location: WNC
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Posted: Fri May 06, 2016 1:17 pm Post subject: Re: mk1 factory tach gauge set install/conversion question |
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That's intriguing -I've been wondering about swapping a later cluster w/ tach myself, like from a Cabriolet or something. Definitely keep us posted if you get it to work. _________________ <---Air Cooled Search & Rescue Team - STICKERS & T-shirts for sale!
I NEED A CAMPER!!!! (1971 is ideal but will consider other years)
http://www.TeamSpatula.com |
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crsmp5 Samba Member
Joined: February 14, 2013 Posts: 301 Location: ohio
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Posted: Tue Jul 12, 2016 8:46 am Post subject: Re: Mk1 factory tach gauge set install/conversion question |
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look up the info on how to convert a gti tach into a diesel tach... for a caddy... then you will have a idea of the parts needed to be swapped.. aka to resolder the pcb of the tach _________________ [url=http://cdn2.driiive.com/7037.jpg]Click to view image[/url] |
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