oil sending unit/guage

hillbilly21 · Post by **hillbilly21** » Sun Sep 06, 2009 10:57 am

I am doing a complete resto on a 1954 m38a1..

down to the paint part EXCEPT one problem...I cant get the oil guage to work.

replaced AGAIN WITH NOS guage and SENDING UNIT TWICE..triple checked the wiring what gives...??

The wiring harness was from Willys Overland from 1954 , cant call anybody up and raise cain !!

any ideas ???

Post by **wesk** » Sun Sep 06, 2009 9:00 pm

1-Make sure the indicating range of your gage matches the indicating range of your sender. 0-60 PSI gage and matching sender or 0-120 PSI gage and matching sender.

2-Troubleshoot with the Army TB:
http://www.cj3a.info/sibling/milgauge/milgage.htm

hillbilly21 · Post by **hillbilly21** » Mon Sep 07, 2009 4:29 am

Every thing matches 0-60..I will start trouble shooting ..thanks WES...

Post by **wesk** » Mon Sep 07, 2009 8:29 am

The Holy Grail of instrument function is GROUNDING of the seneder, the gage to the cluster panel and the cluster panel to the dash. New resto paint means very poor grounds.