For that matter, what do the plug in boxes DO? Stop defueling? Move shift points up? Down? Adjust timing?
On the adjustable ones, what does 1x1 mean? 5x5?
Do you have to wait for the 'wait to start' light to turn off before restarting the truck if it is warm?
Are aftermarket lift pumps better than the Cummins replacement?
That'll do for now, thanks... ... ... ... .....
On the adjustable ones, what does 1x1 mean? 5x5?
Do you have to wait for the 'wait to start' light to turn off before restarting the truck if it is warm?
Are aftermarket lift pumps better than the Cummins replacement?
That'll do for now, thanks... ... ... ... .....
