Chrysler Repair: 99 Concorde 2.7 wont start after changing timing belt, voltage pulses, crank pulley

Question
The car has 93000 miles so I decided to change the timing belt. I made sure the three timing marks were lined up on all three sprockets. When it was re-assembled the compression was 130. I finished re-assembly and when I tried to start it would crank over fine but not run. I made some checks as suggested in your previous answers and here is what I have so far.

I am getting 12v on the green wire to the COP coils when cranking the motor but no spark at the plugs.

I checked the Camshaft and Crankshaft position sensors for 8v in and 5v out when activated.

I unplugged the PCM harness and checked all those wires as I was pushing them around a bit while dancing with the radiator. They all look OK.

There are no errors on the OBDII scan and when I tried turning the key on and off three times and checked the odometer I got a P 1684. That just says the battery has been disconected in the past 50 starts.

How do you check the coils out? Though I doubt six coils all decided to die at the same time. Where to from here?

Answer
Hi William,
I too doubt that the coils all went bad. I would suggest that you measure the signal wire for both the cam and crank sensors to observe whether the voltage pulses from 5v to near 0v as you crank the engine over by hand using the bolt on the crank pulley and a breaker bar with socket to turn it slowly, compared to using the starter motor. It should pulse 3 times for each full revolution if the sensors are ok. The coils should read 0.3-0.7 ohms to ground on the primary side.
I will be receiving a shop manual shortly for the '98 Concorde which I bought at eBay auction. I have the troubleshoot manual for 2.7 but it is keyed to getting a code, except for the common things like checking for spark and fuel pressure when there is a no start.
But the no spark is the key problem. The next thing to do is to see if  there are primary side grounding pulses to the spark coil connectors, in the same way as you check for signals from the two sensors. If those aren't coming, and the sensors are o.k., then I would suspect the PCM.
Let me know what you find.
Roland