Muncie speed sensor

[601jack89]

Hey thanks for helping.  I have a muncie in an 86 c20 and I want to put electronic guages do to various issues.  Is there a speed sensor that will hook up to the muncie and have everything work well?

I researched and the only application that comes close are some guys on about 4 other forums that are using an np205 and I am not.  Thanks

I have various possible issues with the guages and want to put aftermarket guages in the future anyways so insteadof teying to chase magical problems with this thing I figured I would start hinting for deals on guages and see what I could do.

[fxrsrider]

Not sure what your "various issues" are with your current gauges...

...regardless, I have Dakota Digital gauges and they work well (when wired correctly).

I run a TH350....but I'm pretty sure that the speedo bullet and gear are the same as your Muncie (images attached).  It's a pretty simple system on the transmission....you may want to check yours before ponying up the money on new gauges.  The bullet and gear will cost less than $20 for new ones.

As far as the DD gauges that I have.  There's a sending unit that attaches directly to the bullet and gear and two wires that run from the sending unit.  One wire connects to the DD computer and one to ground.  It really is that simple.

[Stewart G Griffin]

i also run a TH-350C and a cyberdyne digital speedo.   If the muncie and TH-350's speedo gears are the same, then the speed sensor  (cyberdyne Pt# 8901) should work, but i think you can only run a cyberdyne gauge with it.

Another alternative is to run a GPS speedo.

[601jack89]

Thanks guys, and yes the there are various possible problems.  Gauge could be bad, cable could be bad, and speedo gears could be worn so instead of trying to chase problem I though I would try this considering I will have an nv4500 in that truck in the future anyways. So I thought I would go ahead and get good guages now and a decent priced speed sensor.

[Stewart G Griffin]

i think AutoMeter has a GPS module that works with any of their speedos.   That would probably be the easiest route.

i like my Cyberdyne, but i think AutoMeters are vastly superior.  When i first installed mine in 08, i had to get the speed sensor listed above and wire it all in.  Not a big deal.  But when it came time to calibrate, they wanted you to follow someone in another car and have the person signal when you got to 45mpg and that's when you were supposed to press the button to calibrate!!!

Of course they don't tell you this until you buy the gauge.   Fortunately, there was one of those signs that indicate your exact speed near my apartment and i used that instead.   With Autometer you just drive past 2 mile markers.  OR with their GPS module you don't have to do any calibrating.

[601jack89]

i think AutoMeter has a GPS module that works with any of their speedos.   That would probably be the easiest route.

i like my Cyberdyne, but i think AutoMeters are vastly superior.  When i first installed mine in 08, i had to get the speed sensor listed above and wire it all in.  Not a big deal.  But when it came time to calibrate, they wanted you to follow someone in another car and have the person signal when you got to 45mpg and that's when you were supposed to press the button to calibrate!!!

Of course they don't tell you this until you buy the gauge.   Fortunately, there was one of those signs that indicate your exact speed near my apartment and i used that instead.   With Autometer you just drive past 2 mile markers.  OR with their GPS module you don't have to do any calibrating.

I have though about those and my thoughts are that if the speedo cable or gears are bad then it might not work or it would slowly fail with time as gears get more worn. And just to be clear are you talking about a speed sensor that plugs into the speedo cable behind the gauges or a full gps module with an antenna on the windshield ?

[Stewart G Griffin]

Neither (cyberdyne or autometer) speed sensor uses the stock cable.    These both plug into the transmission where the stock cable would normally go, but you're not using it anymore----you would just wire the sensor directly to the gauge.

i believe AutoMeter's gps module does plug into the gauge but does not need to be connected to anything else like the trans.  Real simple.  If i was going to do it again, i would consider it.
http://www.autometer.com/universal-gps-speedometer-interface-module.html

[601jack89]

Thanks Stewart