I had the same problem when I installed my gauge. I fixed it by simply running a wire from the T-fitting to a small bolt that was in the frame. I attached the wire to the T-fitting by using an additional screw hose clamp.

T-fitting

[Linked Image]
HTH


Stefan Doerr
'94 Trooper LS
6.5" lift, 33's, G80 and other stuff
http://community.webshots.com/user/smd94trooper