OHM's value for fuel sending unit...

[Metal Twister]

I need to purchase an aftermarket fuel gauge. Before I do that I need to find out what the empty and full ohm values are for the 77 Blazer sending unit. Anybody know where I can look this up?

 

[79bonanza]

GM sending units are 90ohms if buy a new gauge

 

[Metal Twister]

Thanks...

 

[79bonanza]

no problem