assuming the gauges are original type, oil, temp, and speedo are all mechanical on a 53, so no volts involved, a 53 gas gauge should have a dropping resistor added .... a 30# oil gauge will likely get pegged by a good 235 when cold ... the DA plug will be needed

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics