1978 Chevrolet Corvette Ohm Reading On Fuel Sending Unit

1978 CHEVROLET CORVETTE
56,000 MILES
Avatar
ANONYMOUS
  • MEMBER
  • 1 POST
What is the OHM reading on the fuel sending unit
Dec 11, 2012 at 1:13 AM
Advertisement
Avatar
CARADIODOC
  • ASE Certified Mechanic
  • 34,321 POSTS
  • ASE Certified Mechanic
As I recall, the two common values were around 90 ohms and 10 ohms. The resistor can't read too low. If you're reading 0 ohms from the dash, the wire going to the sending unit is shorted to ground. If it's reading very high, look for corrosion in a connector terminal. If it's reading open, the wire is broken or the wiper on the sending unit isn't making good contact. Measure right at the sending unit to see which one is open.
Dec 11, 2012 at 1:20 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.