CPE Wiring Harness Bypass (FOR SALE THROUGH RPM) - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #1 of 145 (permalink) Old 01-21-2006, 01:31 AM Thread Starter
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I am guaging interest in having a group buy on CPE wiring harness bypasses. These are complete plug in units that have the same connector as the black box of the CPE system. This allows for the CPE box to be taken out when the car needs to go in for service without the entire wiring harness removed.

This is a very finished piece, using the correct female connector to the CPE harness's male connector. If there is enough interest, I will become a sponsor to be able to sell these in a group buy on here. They should be about $20 each.

Here are some pictures of the test piece. They will look identical. [attachmentid=9910][attachmentid=9911]

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UPDATE: now accepting payment. The first batch of twenty is almost half sold. Paypal address is [email protected]. $24 including shipping.
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post #2 of 145 (permalink) Old 01-21-2006, 02:29 AM
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You can count me as interested.
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post #3 of 145 (permalink) Old 01-21-2006, 02:30 AM
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Quote:
I am guaging interest in having a group buy on CPE wiring harness bypasses. These are complete plug in units that have the same connector as the black box of the CPE system. This allows for the CPE box to be taken out when the car needs to go in for service without the entire wiring harness removed.
[/b]
This description is kind of vague in my opinion.

If you're able to just 'disconnect' the MAFci (black box as you say), then it has no source to go through for the MAF wire. How do you work your way around that? I'm not saying it's not possible, I'm just curious.

Previous times of uninstalling the MAFci, you have to put a jumper wire, so to say, or relink the MAF wire back together so the signal is uninterrupted. Some people have come up with creative ways of doing this (male / female ends.)

Also, are you just making the wiring harness longer?


Could you provide more insight into what we'd be investing to and how exactly, this is different?


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post #4 of 145 (permalink) Old 01-21-2006, 02:32 AM Thread Starter
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This is, in essence, a jumper for the MAF wire to make it whole again. It is simply a very clean way of doing it, and is designed to fit right into the CPE wiring harness. Some people that soldiered their CPE harness in do not have the scotch lock connectors to easily use a male-female jumper. Even those that have used Scotch Locks will find this is a very professional way to bypass the MAF wire being cut


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post #5 of 145 (permalink) Old 01-21-2006, 03:15 AM
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So... I'm still lost I guess.

How is it a 'jumper' for the MAF wire?

Basically, we're going to have the CP-E wiring harness, and then this harness plugs into THAT harness?

Could you explain the wiring and how you accomplish this?


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post #6 of 145 (permalink) Old 01-21-2006, 03:33 AM
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if this makes it easy to install and uninstallt he maf customizer count me in...i'll take one ASAP

when should they be ready?

has it been tested and made sure there are no problems?

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post #7 of 145 (permalink) Old 01-21-2006, 05:57 AM Thread Starter
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Magik, yes, this plugs into the CPE harness. It has the same connector as the black box does, and plugs into the CPE harness. The way it jumpers the MAF wire is that it reconnects the MAF wire by having a loop back with the proper pins.

Gater, yes, this allows for VERY easy uninstall and re-install of the MAF customizer. Simply unscrew the black box from the connector and plug this in. After doing so, you are essentially back to stock with just a CAI. And yes, it has been tested on my car and verified to work perfectly.

AZMZ6 has the other prototype, so you can talk to him too.

1. AcTs
2. ilal2ielli
3. gater
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post #8 of 145 (permalink) Old 01-21-2006, 06:05 AM
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So to get this right for everyone... the bypass acts as the Customizer box. Since the only wire cut and needing a signal to get to the ECU is the MAF wire, the bypass has the pins corresponding to the MAF wire active and setup so that it will pass the signal through to the ECU in the same way the Customizer box does.

The way the signal would flow:
MAF wire engine side --> Scotchlock to CP-E harness --> Bypass Plug --> CP-E Harness to scotchlock --> MAF wire ECU side

I believe that's what dabears2k is trying to say. Hopefully I understood it properly and am not completely off.
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post #9 of 145 (permalink) Old 01-21-2006, 06:08 AM Thread Starter
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That is exactly it. Thanks for the clearer explanation. This provides the ability to remove the black box and the computer in the car to think that it is completely stock.

This would be used when taking the car in for a CEL that is being caused by something other than the CPE or if your car needs to go in for a PCM update.


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post #10 of 145 (permalink) Old 01-21-2006, 10:16 AM
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for say you have your cp-e harness soldered in, like myself and dabears does, and you have to go in for warranty work, and you dealer is not to accepting to after market intakes, this allows you to simply unplug the black box, and plug this into the harness, and it jumpers the maf wire that you cut when you put in the cp-e mafci. i love the idea, instead of some hokie wire, this plugs right in, and allows you to put you stock intake back on, and its like you never had an aftermarket intake. and we have tested it, it does work.


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a 2003 SVT Mustang Cobra also is sitting in my garage....
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