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Unread 02-13-2013, 08:24 PM   #1
YJ4LIFE
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1989 YJ Wrangler 
 
Join Date: Dec 2011
Location: , San Angeles
Posts: 744
electronic speedo?

So my jeep has a mechanical speedo but I've been contemplating both fuel injection and a SYE kit and JB's short SYE has no mechanical provision. How do I convert my speedo to electrical? Do i get a new speedo and tach from a 1991+??
Thanks,
Tas

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'89 YJ, 4.2L, ax-15, B&M shifter, 1" BL, TJ flares, '99 intake, '91 EFI, 5.0L explorer injectors, GenRight tank & stretch, 35" ProComp Xtreme muds, 52" chevy springs rear, 44044 Ranchos front.....
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Unread 02-14-2013, 07:45 AM   #2
JeeperDon
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1993 YJ Wrangler 
 
Join Date: Jan 2005
Location: Albuquerque, NM
Posts: 6,558
A late YJ electric sending unit mounts in the same t-case hole. It uses three wires, +12 from Ign, Ground, and the signal out. The sig out would go to the sig in on the newer YJ dash. The original + voltage on a newer YJ came from the computer as +8v I think, but when I did my swap I just used +12. It's been fine since '04.
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'93 YJ, '02 GM 4.3 Vortec V6, SOA, dual ARB's, 8.8+D30(w/WarnHubs), 4.88 gears, 35" BFG KM2's, AX15, 15x7 wheels, NP231+4:1+SYE+2LO, York OBA, Warn M8000, no top or doors Apr-Oct.
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Unread 02-14-2013, 07:51 AM   #3
crackedcornish
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1988 YJ Wrangler 
 
Join Date: Feb 2012
Location: Lake Hopatcong, NJ
Posts: 1,116
NP231J, NP231C, & NP233C - Using mechanical speedo
Part #16-1200

http://www.jbconversions.com/index2.php?pc=1

it's the shorty that only uses the electronic speedo pick up...and costs a $100 more
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