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electronic speedo?

937 views 2 replies 3 participants last post by  crackedcornish 
#1 ·
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+?? :confused:
Thanks,
Tas
 
#2 ·
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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