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Electronic Speed Sensor for Speedo

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lew View Drop Down
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    Posted: Jul/21/2009 at 12:39am
I am replacing the gauges in our 71 Javelin and I am looking at putting an electronic speedo in it. I am curious if anyone knows what sender to use on the tranny to couple with the gauge. We are looking at possibly the Autometer ES Series gauges.

Lew



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Post Options Post Options   Thanks (0) Thanks(0)   Quote Wrambler Quote  Post ReplyReply Direct Link To This Post Posted: Jul/21/2009 at 11:40am
I used a simple screw on speed sender listed for a 91 Jeep Wrangler, Dodge Dakota.
It screws on the speedo sendor from any Chrysler trans and has no mechanical output unlike most or the aftermarket ones that have the pass through leaving the output covered with a plastic cap or whatever.
   I got mine from a Jeep guy for like $10 used. new they can be had for around $50-60.
From 91 up most of the Jeeps use a non pass through speed sensor that goes in place of the speed output adapter. It just has a plug in the end for the harness. that one looks like it will also work in a chrysler trans, but, I have never tried it.

   My American runs Autometer Sport comp electric speedo, works fine easy to calibrate to!

I did have to make a heat shield as the exhaust was to close to the sender on mine. The speedo quit on a 96* day after heat soak for about 15 minutes in a parking lot. Made a simple metal shield to deflect the heat away and it has never happened again. I just hose clamed a small metal plate bend to have an airgap and deflect the heat.
Wrambler
69 AMC Rambler
4.0L, 5 speed
65 Ambassador Ragtop rustbucket
2015 Grand Cherokee Limited
2012 Mitsubishi Lancer S.E.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Wrambler Quote  Post ReplyReply Direct Link To This Post Posted: Jul/21/2009 at 11:48am
Just noticed you have a 71. If it is still a Borgwarner tranny I believe you can use a sender for a Ford that fits directly in to the trans.  A web search should show you what the Ford sender looks like. Somewhere around a mid 90's T5 sender should do the trick.  But, again, not 100% sure.
Wrambler
69 AMC Rambler
4.0L, 5 speed
65 Ambassador Ragtop rustbucket
2015 Grand Cherokee Limited
2012 Mitsubishi Lancer S.E.
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