Wiring for DiPricol Transmission Gage

[MMathewson]

I installed my DiPricol Transmission Gage and it isn't working. I've doublechecked that I have power, resistance from the temperature probe, but the gage never budges. Can someone confirm the correct wiring. There are three terminals: Gnd, "B", and "T". Gnd goes to ground. "B" goes to +12V. "T" goes to the temperature probe. Is that correct?



Thanks.

 

[john3976]

Where is your probe installed at? I wonder if your probe is not getting enough transmission fluid to register a reading. Kind of like a water temp gauge, if you run out of water and the probe is exposed it does not read right.



My ISSPRO probe is in the right front line plug at the servo, I am getting temp readings of up to 170 degrees there. I am getting around 158 degrees driving. This is no load or towing.

 

[MMathewson]

John,

The probe is in the cooler line between the transmission and the water cooler. I verified that the sender is okay -- it changes resistance from about 6000 ohms at 45 degrees, down to 3500 ohms when it is pretty hot. This reflects 45 degrees to something like 200 degrees.



I think the gage is shot since everything else checks out - power, sender resistance, etc. Just need to recheck my wiring to the back of the Di-pricol gage.



Thanks.

 

[JimBob24]

Yep. You have it wired correctly. I still have my original instructions & diagrams.





Jim

 

[MMathewson]

Thanks. Looks like I'll be needing a new gage then.

 

[john3976]

Have you tried using a heat gun on the probe to see if the gauge moves?



You just may be installed in a location that does not allow enough temp to get the gauge to move.



The small sweep design is the reason I ruled out getting the DiPricol gauges.



Well that design on the temp gauge and the over size button on the pyro gauge.



I like the full 270 degree sweep gauges better.



You could also boil some water in a small pot and dip the probe into that, but be very careful with handling the hot water. That would be an instant test and the gauge should jump up to over 200 degree right now.



If the gauge does that then I would say you need to move the probe, if you still get no gauge movement then your gauge is shot as you have already checked the ohms at the probe and they seem OK.

 

[MMathewson]

Probe is good. I can see the resistance changing with changes of temperature. But no changes on the gauge. The gauge is bad. I'll contact the Genos to get another one tomorrow. It appears that the "T" terminal is grounded itself as when I connect the "T" wire from the probe to the terminal, the resistance changes to 0 ohms to ground. That shouldn't be the case -- more evidence that the gauge is bad.

 

[JEly]

When I had mine in the cooler line it wouldnt work either but in the transmission port it would and they said I need to ground the sending unit for it to work. I just left in the port and now have switched to the Isspro gauges.



JIM

 

[CFowler]

most of the winter monthgs i see very little movement on mine. only after a good while (hour) in non highway driving will i get a reading around 125* sender is in transmission line.

 

[klaybus]

Trans Guage

Maybe the guage is bad but on the hwy you will hardly see it move. Run around town & race from stop light to stop light & it should move. After that if it doesn't move you know it's bad. Just an idea... . FWIW.



Clay

 

[JEly]

Well yesterday was the first day I saw my Isspro transmission temp gauge move and it does work. A lot of stop and go and outdoor temp about 54* and it got up to 115* or so but once I got out on a long stretch of road the temp went right back downto under a 100*---------------But it did work



Jim