The resistor is to calibrate the individual injection pump to the software. (Don't know how to better explain it). So, the resistor goes with a particular pump, not a vehicle. IIRC, 5 is the target setting, so if you're not sure what you should have, 5 is a good guess.
The Constitution needs to be re-read, not re-written!
If you can't handle Dr. Seuss, how will you handle real life?
Current oil burners: MB GLK250 BlueTEC, John Deere X758
New ride: MB GLS450 - most stately
Gone but not forgotten: '87 F350 7.3, '93 C2500 6.5, '95 K2500 6.5, '06 K2500HD 6.6, '90 MB 350SDL, Kubota 7510