Thanks Dan - I am going to see if I can get one today.

Well, I got the bracket and got everything done - that's the good news - the bad news is that the car cranks over but won't start. I pulled the incoming fuel line and fond no fuel. I checked the hot wire to the fuel pump and found no power when cranking but as soon as I let go of the key in the ignition from the start position towards off, I get power to the fuel pump positive wire for a second. Any ideas? I was hoping to get it running before I leave tommorrow night aos if anyone has any ideas I would really appreciate the help - Even though I am going on vacation I know that I will be thinking about getting back home to work on the P-Car!!

I would guess maybe a problem with the ignition switch?

Regards Jon H.

Sounds like a power source problem, check where you are get power for the ECU and the power source works in both the ignition ON and START positions. Just to be sure, you have the power to the fuel pump directly from the DME relay right?

Sounds like a wiring problem. You have to be carefull where you pick up the switched ignition power for term 86 on the DME relay. Many of the 12V sources while having power with the ignition on, have power cut to them during cranking. Thus the second term of the relay won't energize during cranking, therefore no go.

Todd

I traced the power for the fuel pump and it goes to the 14 pin connector on the DME harness. The fuel pump relay is the rectangular relay correct? The fuel pump wire does not go to it. The switched ignition source is getting power when cranking.

I don't have the 993 wiring diagrams in front of me, but I assume it will be at least somewhat similar to the 964 engine swap.

The DME relay should get a switched power source that is present during cranking that goes to term 86 on the DME relay. This same switched 12V source goes to term 2 of the 6 pin plug on the 964 dme harness

Fuel pump should get power from DME relay term 87b during cranking, this also provides 12 V to term 5 on the 964 14 pin plug on the DME harness. As I stated I don't know without looking at the 993 wiring diagrams how this translates to a 993 swap but it should give you an idea where to look.

If your flywheel sensor is set up properly and sensing engine rotation the wire going to DME relay term 85b should go to ground with engine rotation.

Todd

I checked terminal 86 and it has power when cranking. Terminal 87 only gets power after I stop turning the ignition and only momentarily.

Thanks Todd - let me do some checking.

You need to check terminal 87b not 87, there are two 12 V out terminals on the DME relay. When you turn the car on you should hear the first pole of the DME relay close, when cranking the second pole should close. If the wire to 85b is going to ground with engine rotation and term 86 has power when cranking you most likely have a bad DME relay

Todd

I found that wire 85b does'nt get ground until I stop cranking and then it grounds for a second just like the hot on the fuel pump. I fiddled with the crank sensor and no change. Does it sound like the crank sensro is faulty or possibly misadjusted?

I also found that 87b does not power up until I stop cranking, and then, it only shows hot for a second.

Well before you get too far in I would look at the 993 diagrams as there are some differences with the 964 conversion I am familiar with. For example I know some of the later DME's need an additional 12V source that is usually supplied by the alarm control, if not present car doesn't start. Not sure if this is the case with the 993 DME but I would suggest you get advice from or look at the 993 wiring diagrams. I can look at them later if you haven't received help from anyone more familiar with the 993 swap

Todd

Okay, thanks Todd. I don't think the DME is at fault - I had it tested in another car and it worked. I have a feeling that my crank sensor is not grounding properly - I may have to have someone crank it while i jiggle the sensor although I am pretty sure it is adjusted correctly.

I'm not saying the DME is at fault, if it has an integral alarm as the DME I am referring to did (it was a 968 engine i swapped into a 944), not only did the DME need the switched 12V ignition source I refer to above but also a seperate 12V source that comes from the alarm in a 993, when you swap you don't have this so you simply need to give it another 12V source to activate the DME. Like I said looking at the 993 wiring diagrams would help.

You can test if the flywheel sensor by disconnecting it from the harness at the right rear of the motor and hooking it up to a digital voltmeter on 1V AC setting. During cranking if it senses rotation you will see the voltage oscillate on the voltmeter.

Todd

Go it. I did find the problem with the relay and no power - the hot for the relay that needs a hot source during cranking was not getting power so I got that worked out and now I am getting fuel to the fuel rail and I kept cranking the engine over - just before the battery died, the engine sputtered a little. I tried again with a battery charger but no luck but then again, I noticed that my fuel light is on so I beter get more gas - could that be a problem - not building enough fuel pressure due to being low on gas?

I doubt it, unless you have absolutely no gas.
Your DME relay needs 2 sources of power,
term 30 should have voltage direct from the battery (best idea is to use a fused link and run a line straight from battery + to term 30 on relay)
other is the switched 12 V source to the DME relay term 86 (mentioned above) that must have 12 V during cranking, this is usually picked up off the fuse panel in the trunk once you verify it is a circut with power during starting.

Todd

I checked both and they are in order but the car sounds like it wants to start but it won't catch.

It couldn't possibly be the fuel pump relay, could it be?

I just lost my reply but in a nutshell the DME relay was not grounded and after grounding it, it fired right up!! A little loud due to an exhaust leak but after warming up it was perfect - purred like a kitten!! If it wasn't for the knowledge, help, and confidence inspired by this board it would not have happened - thanks for all the help!! I will post pics when I return!! Another PELICAN INSPIRED 3.6 CONVERSION FIRED UP!!!!!!