engine change ...

hey all...i'm changing the engine in my disco, but the engine i am removing has a few wires coming outta the top of the injector pump an the engine i'm fitting doesn't....do i just change the pump over? or is there an easier fix? also the bolts at the top of the bell housing is there an easy way to get at em? or will i be alright once i put it up on the ramp,gratefiul for anyfeedback ty guys

hi again...ok it seems my discovry has an immobilliser i'm guessin thats what the wires on the injector pump are...the engine i'm gonna fit has just a single white wire coming out of the pump....so i'm wondering if i can just fit the whole lot, an not worry bout the immobiliser...or will i have to swap pumps over?

you can take immobiliser off as it wont be compatible with any other vehicle ,break plastic cover off and fit single wire to solenoid and pick rigth wire ,live with ignition out of 3 in old loom

ty mate its what i needed to hear man i've had 6 months of mis diagnosis on a failing piston arm ..till it screwed my last block...had a spare engine out of a decent donor car but this pump thing had me beat