I have read all the post on scan guage. I have a SG that I used on my class C Ford.. I now have a 2000 Class A Holiday Rambler On a Ford F53 chassis. I can not find a port to plug the SG into. Does t...
By law, they must have one, It is possible that some previous owner may have removed it, but that would have been a large job. You might be able to look up the manual on the internet and get the exact location.