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Subject: "will a neon ecu/and harness work to replace mine?" Previous topic | Next topic
boostboyikeJan-10-09 05:53 PM
Member since Jan 23rd 2005
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#123516, "will a neon ecu/and harness work to replace mine?"


          

Found a cheep harness w ecu to replace mine but its from a neon.Will it work if i use the ecu that came with it?

  
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Replies to this topic
RE: will a neon ecu/and harness work to replace mine?, halfasss101, Jan-10-09 06:22 PM, #1
RE: will a neon ecu/and harness work to replace mine?, halfasss101, Jan-10-09 06:26 PM, #2
RE: will a neon ecu/and harness work to replace mine?, 1slw97, Jan-10-09 06:24 PM, #3
RE: will a neon ecu/and harness work to replace mine?, halfasss101, Jan-10-09 06:28 PM, #4
      RE: will a neon ecu/and harness work to replace mine?, Moderatorteklein, Jan-10-09 07:18 PM, #5
           RE: will a neon ecu/and harness work to replace mine?, freelancefool, Jan-10-09 07:54 PM, #6
                RE: will a neon ecu/and harness work to replace mine?, 1slw97, Jan-10-09 08:00 PM, #7
                     RE: will a neon ecu/and harness work to replace mine?, boostboyike, Jan-10-09 09:46 PM, #8
                          RE: will a neon ecu/and harness work to replace mine?, 1slw97, Jan-11-09 09:19 AM, #9

halfasss101Jan-10-09 06:22 PM
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#123517, "RE: will a neon ecu/and harness work to replace mine?"
In response to Reply # 0

          

what year neon? Did the neon have the 420a DOHC?

Originally posted by bullettdsm Recommendations are that you get drunk and sit idly by to stare at your car while nothing happens to it. End results seem to be that you will be happy.

  
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halfasss101Jan-10-09 06:26 PM
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#123519, "RE: will a neon ecu/and harness work to replace mine?"
In response to Reply # 1

          

auto or manual tranny in the neon?

Originally posted by bullettdsm Recommendations are that you get drunk and sit idly by to stare at your car while nothing happens to it. End results seem to be that you will be happy.

  
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1slw97Jan-10-09 06:24 PM
Member since Aug 13th 2008
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#123518, "RE: will a neon ecu/and harness work to replace mine?"
In response to Reply # 0
 Jan-10-09 06:25 PM by 1slw97

          

I will say yes. As long as it is a DOHC,,BUT you will have a lot of wireing to do..I bet it will also be a big pain in the A**. I would not waste my time with it, just find ther right parts...

97 Eclipse GS, 2.2 stroker,Gt35R,MSNS,E85 @20psi. 450hp 370tq..With issues

  
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halfasss101Jan-10-09 06:28 PM
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#123520, "RE: will a neon ecu/and harness work to replace mine?"
In response to Reply # 3

          

Originally posted by 1slw97
I will say yes. As long as it is a DOHC,,BUT you will have a lot of wireing to do..I bet it will also be a big pain in the A**. I would not waste my time with it, just find ther right parts...


x2. Agreed. You'll have a extend some wires from the harness to fit the eclipse

Originally posted by bullettdsm Recommendations are that you get drunk and sit idly by to stare at your car while nothing happens to it. End results seem to be that you will be happy.

  
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ModeratortekleinJan-10-09 07:18 PM
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#123521, "RE: will a neon ecu/and harness work to replace mine?"
In response to Reply # 4

          

You are all VERY wrong.

It will require repinning with the Eclipse harness on the ECU harness.

Where the engine harness meets the interior harness, they are different plugs.

It can be done. IIRC the O2 sensors are swapped, coils are swapped, and some others.

I have compared the pinouts, put the in Excel and gone down the list to decide which wires needed to moved where.

  
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freelancefoolJan-10-09 07:54 PM
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#123524, "RE: will a neon ecu/and harness work to replace mine?"
In response to Reply # 5



          

At one point I heard a rumor that the neon ECU would work in an Eclipse, but they were a year ahead of us. 97 neon ECU in a 98 Eclipse, etc. I haven't tried it, but the next time I am at a junkyard I'll see if I can prove or disprove this theory.

My Blog

  
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1slw97Jan-10-09 08:00 PM
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#123525, "RE: will a neon ecu/and harness work to replace mine?"
In response to Reply # 6

          

I have started my car up before with just pluging in a Neon ECU..

97 Eclipse GS, 2.2 stroker,Gt35R,MSNS,E85 @20psi. 450hp 370tq..With issues

  
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boostboyikeJan-10-09 09:46 PM
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#123527, "RE: will a neon ecu/and harness work to replace mine?"
In response to Reply # 7

          

ok.Im asking cause my harness is shot but he has a harness and pcm off of a neon. still on car and motor runs drives. I really dont wanna do much cutting,splicing.But if its just some pigtails ect ill do it but if not,ill still search for a 96 harness.

  
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1slw97Jan-11-09 09:19 AM
Member since Aug 13th 2008
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#123536, "RE: will a neon ecu/and harness work to replace mine?"
In response to Reply # 8

          

search for a 96 harness.
It will be more work then what you think to use the Neon stuff right.

97 Eclipse GS, 2.2 stroker,Gt35R,MSNS,E85 @20psi. 450hp 370tq..With issues

  
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