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944 Rewiring Guide
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TOPIC: 944 Rewiring Guide

944 Rewiring Guide 4 years, 8 months ago #7042

As done on the 944 Spec Budget build - saves about 30lbs of wiring!

944 DME wiring assignments



1- ign coil terminal 1 and tach signal

2- throttle switch

3- -----

4- Bat+ when cranking only

5- Ground

6- Air flow meter term 4

7- Afm term 2

8- Speed sensor pin 1

9- Afm term 3

10- ----------

11- ----------

12- ----------

13- Water temp sensor term2

14- Injectors 3&4 gray wire

15- Injectors 1&2 gray wire

16- Ground

17- Ground

18- Bat + when ign on-red/yel wire at plug near brake booster

19- Ground

20- -------

21- -------

22- Afm meter term 1

23- Shielding wire for sensors

24- Oxygen sensor pin 1

25- Reference sensor pin 1

26- Reference sensor pin 2

27- Speed sensor pin 2

28- Ground

29- ----------

30- ----------

31- ----------

32- ----------

33- ----------

34- ----------

35- Same as 18

It is easier if you can remove the Dme harness ,lay it out on a bench and inspect the wiring.The terminals listed blank are not needed and may be cut and taped off at the Dme.

The 3 main power wires go to the connector by the booster. Dme term 4 is red/black,18 &35 are red/yel.Term 1 to coil circuit is also there green wire,everthing else is not needed.



The fuel injectors need 12v on their term 2.I wired these and term 18&35 of the dme to an ignition switch and fused at 15A.

The ign coil needs 12v to term 15.Fused at 7.5a

Fuel pump fused at 15a,run new wiring and switch.

Master power switch should have an ignition cut circuit in it.Run DME term 1 thru that to ign coil.
Eric Kuhns

National Director

2007, & 2008 National Champion
2011, 2012 2nd
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