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-   -   convert t5 manual speedo to electronic? (http://www.clubcobra.com/forums/transmission-talk/145333-convert-t5-manual-speedo-electronic.html)

Roylerumble 11-01-2021 09:43 PM
convert t5 manual speedo to electronic?
 
91 mustang t5 going into my CRII. Had mechanical speedo, but I'm going with a Smiths electronic speedo. I almost bought the Autometer 5292 pug in sending unit for Fords until I read that its only for their gauges. From what I understand, it needs to be a hall effect sending unit. What have others used?

Thanks!

svassh 11-02-2021 11:20 AM
I have a GPS Speedo and just plugged the speedo hole on the transmission. Mine is F5 but this is the company that makes them: https://www.speedhut.com/gauges/?catid=f19 These speedos work really well and acquire quickly.

The plug I used for the speedo hole on the T5: https://fortesparts.com/product/fort...ter-hole-plug/

Had a leak from the speedo hole before I installed the plug.

nkb 11-02-2021 11:31 AM
Quote:
Originally Posted by Roylerumble (Post 1498852)
91 mustang t5 going into my CRII. Had mechanical speedo, but I'm going with a Smiths electronic speedo. I almost bought the Autometer 5292 pug in sending unit for Fords until I read that its only for their gauges. From what I understand, it needs to be a hall effect sending unit. What have others used?

Thanks!
There is also a Speedhut GPS motor unit that can drive the original Smiths mechanical speedo with a cable. Closer to originality if that is important. Did this on my original 69 Lotus Elan so I could use the original speedo. Plugged the hole in the transmission.

spdbrake 11-02-2021 12:37 PM
The Classic instruments SN16F kit should work for you.

Replaces the cable output of the T-5 and has a 16,000PPM (pulse per mile output)

Your Smiths gauge is adjustable to 120,000ppm.

https://www.summitracing.com/parts/cin-sn16f?rrec=true
Wiring setup pages 1-4
https://static.speedwaymotors.com/pdf/275-820.pdf

(See the note below the Smiths connection chart for the Red wire for the sender to get power to function)
"Note: Red wire connection is only required for
some 3 wire sensors. Connect to 12volts for NPN type sensors"
https://www.caigauge.com/documents//...2-460-3028.pdf


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