1 pointThe loss of the temp and gas gauges is the common to both voltage regulator... Replace or maybe you can pry apart and sand the contacts inside. The old original 4 speed speedometer will reach the other side and farther back if you pull all the cable up into the engine compartment, then feed it down behind the engine and diagonally over the top of the 5 speed. It'll fit. Owned a 5 year old '71 back in the day. Had it 8 years.