tranny gauge not moving

[panteramatt]

I installed a set of isspro gauges and the tranny gauge never moves from the 100 mark. I know it has to get hotter than that. I hooked it up as per directions. Could it be a grounding problem?

[Redneck47441]

How far have you drove it it takes it awhile like 10-15 mins. of driving . Mine only gets to about 140-150 degrees its normal I remember when I first put my gauges in I thought I broke the sending unit when I installed it but everything worked.

[MrJohnWayne]

could be a ground problem or a hot wire problem. I remember the 1st isspro gauges I intalled I did not think the "box" needed a 12v ign source, but it does.

[vitalidle]

Also where are you located as in climate wise. If its cold out then it won't go over 100 degrees unless your pulling somthing. Temps are usually 60-80 degrees over ambient temps outside without a load. I won't see mine move till spring now

[NCHornet]

It takes awhile to heat up almost 5 gal of ATF, if you live up north it may not move til spring. Did you get a gauge that started at 100 or 140? Average temps are 70-90 above ambient, the lower when unloaded and the upper when towing, so take that into consideration.