Wiring differences from HF to Si

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Old 05-26-2008, 07:50 AM
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Default Wiring differences from HF to Si

I bought a CRX (std.) that needed to be rewired. The car is a 91, it used to be an AT, 1.5, DPFI car, but the guy who had it before me took out the old wiring harness (cabin and ecu harness/main) and put in one from an HF (I think). He swapped in a 5 speed and an SOHC ZC motor with MPFI mani. I think it's an HF main harness because it is already wired for multi port (from the factory) but in the engine bay it has the connectors for the EGR solenoid and there is an extra 6 pin connector on the passenger shock tower that I don't have on my Si.

So to my question. I have an engine wiring harness, but on the driver's side shock tower there is the resistor box with a green connector (on the main harness), but I don't see the 14 pin round connector for the engine harness on that side!! I am wondering if HFs just didn't have that connector and so if they don't should I just swap in the old main harness the guy pulled out since it's for the Std. CRX?

Any help, websites, or info you've got to share is much appreciated. I'm hoping to wire this car up today so I can sell it.
Thanks for the help!
Old 05-26-2008, 02:44 PM
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Default Re: Wiring differences from HF to Si (Ahknodd)

https://honda-tech.com/zerothread/1508680
Old 05-26-2008, 09:00 PM
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Default Re: Wiring differences from HF to Si (CRX Toad)

No offense, but that doesn't help me at all. I've already looked through the FAQ, I'm not a noob man. I've also done a search. I suppose I should have posted that in my first post.

My question is not how to do an DPFI to MPFI conversion (I've done three already), I need to know if the HF harness is different compared to the Si or DX harness in that the HF has only one large round connector and a 6 pin rectangle connector at the passenger side shock tower and one 6 pin rectangular connector on the driver's side shock tower. Instead of the single large round on the passenger and the same size round on the driver's side like the Si or DX.
I haven't seen an HF before so I don't know what I'm dealing with.

Again the car is a std CRX that had a different main harness put in it. I think it's an HF because of the info above and in my first post. I'm not for certain though. That's why I posted on here to verify what I'm dealing with. All Data hasn't been any help, so if anyone know for sure if I've got an HF harness that would be much appreciated.

thanks for the help!
Old 05-26-2008, 09:23 PM
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Default Re: Wiring differences from HF to Si (Ahknodd)

i have a hf and it does have the round conector and the rectangle conector for the fuel resistor box on the engine harness
Old 05-27-2008, 05:57 AM
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Default Re: Wiring differences from HF to Si (88todab16crx)

and that's on the driver's side shock tower?

I'm hella confused on what I have here then.

Like I said it only has one retangular connector on the driver's side shock tower (for the resistor box) and the large round connector and another 6 pin retangular connector on the passenger's side shock tower. What the crap?!

thanks for the help.
Old 05-27-2008, 07:38 AM
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Default Re: Wiring differences from HF to Si (Ahknodd)

yes that is on the drivers side pass side should be 3 plugs that feed into the ecu email me with your phone number i will call you today around 6-7 pm arizona time my email is rwilliamsb16a@live.com and i will help you out bro
Old 05-27-2008, 06:16 PM
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Default Re: Wiring differences from HF to Si (88todab16crx)

Great, thanks man, emailed ya my numba just a second ago. Call me when you can.
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