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ENGINE wiring help

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Old Dec 7, 2023 | 10:05 PM
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ENGINE wiring help

So I started my 1997 FD RHD today, started fine, drove well all day. Stopped at a store and when I started the car again, it engine idled weird and car shut off. Upon looking I found a group of wires got pulled around the pulley assembly and shredded it. Really need some assistance in identifying exactly what part I need to get ahold of to replace this section. It runs from under the water pump - behind the pullys and belts back into the right section of the 13B - assuming it’s the ignition coil wiring / oil pick up wires. But have difficulty find which part I need to get ahold of.

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Old Dec 7, 2023 | 10:16 PM
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Not exactly sure based on your picture. But once I was fixing a small turbo coolant hose leak and then went to start the car and it would start. Turns out I had dislodged the OMP wiring, so when I tried to start the car, the pulley caught it, ripped it out, and then smashed the CAS sensors with the OMP wire plug. Was not fun.
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Old Dec 7, 2023 | 10:28 PM
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From: San Diego
Originally Posted by TwinCharged RX7
Not exactly sure based on your picture. But once I was fixing a small turbo coolant hose leak and then went to start the car and it would start. Turns out I had dislodged the OMP wiring, so when I tried to start the car, the pulley caught it, ripped it out, and then smashed the CAS sensors with the OMP wire plug. Was not fun.

ya so it sounds about the same. Once I got the wires untangled from it the car starts but idles wrong so immediately shut it off. It’s getting picked up tomorrow to go to a shop, I’ll re take better photos and report them here so people can better assist. Thanks a lot for your help though.

you can tell the harness was supposed to be better tucked behind the pulley wheels, but it clearly wasn’t and caught onto it and it pulled them all apart. Just a pain to find an engine wiring that makes like sense to locate them in a specific area haha

Last edited by Mattn1029; Dec 7, 2023 at 10:37 PM.
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Old Dec 8, 2023 | 01:36 AM
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I'm not experienced with the JDM and/or later models but those don't look OEM, especially that Light Blue.
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Old Dec 8, 2023 | 08:33 AM
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From: https://www2.mazda.com/en/100th/
it looks like the Metering pump wiring to me
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Old Dec 8, 2023 | 10:45 AM
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Would appear to be bullet connectors above that hose clamp on the LHS of the first picture.....somebody has done a shonky job in the past to avoid disassembly and correct routing almost definitely.

Edit: should be something like a folding metal clip holding the wires on the water pump or thereabouts if memory serves.

Last edited by billyboy; Dec 8, 2023 at 10:48 AM.
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Old Dec 8, 2023 | 11:03 AM
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From: San Diego
Originally Posted by billyboy
Would appear to be bullet connectors above that hose clamp on the LHS of the first picture.....somebody has done a shonky job in the past to avoid disassembly and correct routing almost definitely.

Edit: should be something like a folding metal clip holding the wires on the water pump or thereabouts if memory serves.

I am driving back down to San Diego now from home, so I’ll take some new photos and repost them in about 2 hours so everyone can see it better. I’ll remove the ducting as well. Thanks for the replies
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Old Dec 8, 2023 | 12:12 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by billyboy
Edit: should be something like a folding metal clip holding the wires on the water pump or thereabouts if memory serves.
it does! and the 15-3111 too, 15-3111 is like a P shape, 14-667A is just flat


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Old Dec 13, 2023 | 03:58 PM
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From: San Diego
Originally Posted by j9fd3s
it does! and the 15-3111 too, 15-3111 is like a P shape, 14-667A is just flat


Overview

From looking down right side wires coming from Engine

Left side under the water pump
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Old Dec 13, 2023 | 03:59 PM
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From: San Diego
Originally Posted by Mattn1029

Overview

From looking down right side wires coming from Engine

Left side under the water pump

hopefully the updated photos help figure out exactly what needs replaced. Thanks everyone
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Old Dec 15, 2023 | 03:17 AM
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From: sydney
Looks like you're minus the undertray.

Rather than have people guess, should be slightly easier now getting underneath and gingerly pulling on the nylon braided sheath (if stiill there!) over the metering pump wiring and see if it's free to flop around from broken wires. Again from memory, original connector had 6 or 8 wires
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