Gauge Madness

[jaybo 10]

Since buyng my car the fuel gauge has never worked which wasnt a problem at the time but i've almost finished building it. Oddly the water temp gauge only sits about a fifth/quarter ratehr that the middle where it is supposed to sit.

 

Do I have two problems? A shot fuel sender and black temp plug, or is it the voltage reg? If the latter then I would of though there woudl be more problems but everythgin else on the clocks work absolutely fine!

 

Any thoughts?

[Philly-R6 0]

You need to determine if your problem is with the gauge or the sender (or wiring in between?!)?

 

Refer to Bentley Publishers' Gauge Testing page for some background:

http://www.bentleypublishers.com/tech/vw/bentley.vw1301.testing.htm

 

Try substituting various values for the fuel sender (and coolant sender) and see if the gauge follows as you expect (using values from the conversion table):

Full - 35 Ohms

1/4 tank - 116 Ohms

Empty - 288 Ohms

[jaybo 10]

Cheers mate, I'll pull my sender out when I get home and mulitmeter it!