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PDM wiring

 
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TwinTurboM3



Joined: 21 Mar 2008
Posts: 535

PostPosted: Sat Apr 05, 2014 6:14 am    Post subject: PDM wiring Reply with quote

How difficult is wiring a Motec PDM?

How many hours did you spend on wiring PDM?

Would it be a good idea to wire PDM only to engine and fuel system and leave the rest of the car stock?
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David Ferguson



Joined: 21 Aug 2006
Posts: 59
Location: Paso Robles, CA

PostPosted: Sat Apr 05, 2014 10:56 am    Post subject: Reply with quote

I think wiring a PDM would be a piece of cake, compared to getting all the programming setup and working as you want. Which isn't that hard, but I've been working with MoTeC products for 15 years.

The time required for any wiring project is dictated by the number of terminations, length of wires, harness splices and junctions. The PDM is no more difficult than a data harness of similar number of terminations.
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stevieturbo



Joined: 29 Aug 2006
Posts: 1235
Location: Norn Iron

PostPosted: Sat Apr 05, 2014 2:25 pm    Post subject: Reply with quote

Surely the point of the PDM is to greatly simplify wiring ?

ie it removes the need for relays, fuses etc ?

Some aspects of the PDM can be switched via the Motec ecu, or their CAN based switch panels ?

So that again simplifies wiring ?
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dguy



Joined: 26 Dec 2007
Posts: 5

PostPosted: Sun May 25, 2014 10:05 am    Post subject: Reply with quote

Just recently did another PDM install, they're beyond easy to integrate correctly if you're somewhat familiar with your vehicles wiring layout. The only thing that can be a bit tricky is making sure your CAN wiring doesn't spit errors if you've got multiple boxes on the same bus that you'd like to have talk to each other.
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APEX Speed Technology



Joined: 13 Nov 2004
Posts: 740
Location: Venice, CA

PostPosted: Thu Jul 03, 2014 8:58 am    Post subject: PDM Installs Reply with quote

PDM installs are so much cleaner and easier, these days we rarely wire up a switch panel. Even with the cost of the PDM, its so much easier to wire that the total system cost is the same or cheaper than wiring up circuit breakers and relays, then properly mounting everything.

Plus the PDM's CAN capabilities are nice, especially if you have a MOTEC. dash. The reason is that they're limited on what they can use for addresses, but by using a MOTEC dash as a CAN relay point, you can get chassis integration between ABS, ECU, PDMs, Keypads and dashes to have a really neat and integrated installation.

We recently finished a pair of Subarus like this and we have both an M3 and Supra in build right now with similar stratgies. We're also re-engineering a Viper with an OBR PDM and Pectel ECU, these benefits are not limited to MOTEC. We can now have auto-start strategies based on if the car's on air jacks and the pit lane limiter is on (there are other safeties as well), auto switching to backup fuel pumps, mode switches that modify traction control, e-throttle curves & dash setup based on a single switch - and its all programming. Much harder to do with switches, relays and breakers/fuses.

https://www.facebook.com/apexspeedtech

Cheers,

Neel
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