[ Home > Parts & Kits > Parts & Supplies > FSD / PMD > FSD Calibration Resistor ] Replace your old resistor, or carry a spare. Match your old resistor to calibrate the FSD / PMD to the injector pump. If you don't know your current resistor value, the #5 resistor is recommended and will work satisfactorially with all injector pumps. $21.00 Resistor Value: #5#1 (+$2.50)#2 (+$2.50)#3#4#6#7 (+$3.00)#8 (+$2.50)#9 Copyright© 2003 - 2009 BlueHummer Outfitters All rights reserved. Hummer brand is registered by GM and/or AM General. BlueHummer Outfitters is neither affiliated with nor endorsed by GM and/or AM General. Last Update: June 30, 2009