[99powerztroke]

Hello Everyone,
I have a 99 Powerstroke F350 bone stock with 81,600 miles. I recently purchased this truck and found that it was stalling while idling. With the help of this forum i found that the CPS was likely the cause so i replaced it along with the Glow Plug relay and fixed the problem and runs great BUT now the wait to start engine light will intermittenly not come on causing the truck to just crank but no start. Then all of a sudden it will come on and she fires right up. When the Wait to start does light up i hear a click at the Glow Plug relay and when it doesn't light up it does not click?? When i installed the cps/relay, i disconnected the batteries and the reason i mention this is because my friend has an Edge programmer and scanned for codes and the p1000 trouble code popped up meaning more driving required. The possible reason was the batteries were disconnected or the PCM was disconnected. I checked all the suspect fuses and relays but no luck.
Any help would be greatly appreciated.
Thanks