Speedometer electronic sender

B

Blaine #1076

If any of you are having problems with your electronic speedometer(s), after spending $200.00 on proximity sensors I found a fellow who spec'd and fixed my speedo. It works again. Hall effect sensors for speedometers, dah.

Bill Hilbornffice:eek:ffice" /><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com<img src=" /><o:p></o:p>
Sales / Marketing Services Supervisor<o:p></o:p>
Magnetic Sensors Corporation<o:p></o:p>
1365 N. McCan Street<o:p></o:p>
Anaheim, CA 92806-1316<o:p></o:p>
[email protected] <o:p></o:p>
P. 714-630-8380<o:p></o:p>
F. 714-630-8361<o:p></o:p>
 
E

Alex

I gave up on the coil/magnet theory a long time ago.

GPS based speedo adapter FTW

Hummingbird Electronics - Electronics solutions for all vehicle types

HMGS1A10P
hb2.jpg


 
B

Blaine #1076

this is absolutely perfect.

I am working on my next project a 1961 Jaguar lightweight coupe E-type and i am going to use this instead!!!!

thank you.

i should be able to plug this into an autometer speedo and make it work, ha?
 
E

Alex

Yes. It's 1 wire to ground, 1 wire to switch 12v, 1 wire to your speedo (in my case, autometer ultra-lite). That's it.

To calibrate it you switch 12v on, set it to calibrate mode, then turn a screw inside until your speedo reads 37mph. If I recall correctly mine maxed out at 36mph, so I'm 1mph slow, but who cares, that's pretty darn accurate.

Speedo reads perfectly (no jerking, etc..). Only downside is it usually takes a minute or two after it's been sitting for a while (days) to re-aquire satellite position, but then it's fine.
 
A

Seymour Snerd

Lifetime Supporter
EFNFAST said:
...Only downside is it usually takes a minute or two after it's been sitting for a while (days) to re-aquire satellite position, but then it's fine.
Click to expand...

Just to complete the picture note that for that kind of money Speedhut supplies entire speedometers with the GPS electronics built-in. They also have a "keep-alive" input that keeps the GPS running when everthing else is off.

GPS Speedometers Gauges and Custom Gauges by SpeedHut
 
E

Alex

yes, except you have to buy their gauges.

I had a set of autometer ultra-lites - I did NOT want to have a different speedo (there are several manufacturers out there who have a GPS-based speedo fyi, not just speedhut) so I had to find a way to get GPS working with the autometer set.

I thought it would be an easy task, but it isn't - GPS units get a set of co-ordinates so you need someway to translate that to the pulses that a speedo reads .... the above unit is the only device on the market that does this (that I could ever find)
 
E

Alex

We don't have tunnels here so I don't know. However, with tall buildings and overpasses it's never had a problem with the signal being blocked.
 
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