In a message dated 96-04-29 00:00:41 EDT, EXPRES@gnn.com (RON SALMON) writes:

>)
>
>Just completed a motor swap on a '76 bus.  Now I _think_ I have 
>everything wired correctly, but injectors 3 & 4 aren't getting a 
>signal.  I tried swapping the brain, air flow meter, dual relay, 
>and the resister pack above the dual relay. Tried reversing the 
>3 & 4 injector wiring, just for the heck of it. 
>Also checked the standard stuff (points, plugs, compression, etc.), 
>which is how I deduced that the problem was an electrical fuel 
>injection one. (Compression is 150 lbs all around, and all 
>cylinders are definately getting strong spark, but 3 & 4 aren't 
>firing. The injectors are bone dry, and they do have continuity.)
>
>Before I start tearing into the wiring harness tomorrow, is there 
>anything else I might have missed?  Any suggestions? 

All four injectors are actually wired in parralell.  Check the conectors
themselves as the contacts sometimes slide out.
Dennis