When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
you could try and mount below the dash by your knee, but it would probably be hard to see. you could install an a-pillar with a guage mount but it definetly wouldn't be hidden.
You could put it behind an a/c vent if you want it hidden. I have seen it done many times any is still ver visible. It actually looks pretty bad *** when the light comes on.