98 ex green plugs

earlyrizr

New Member
Recent 98 civic purchase, has power windows, locks(no remote fob came with it) ex model. I want to put back in the factory keyless entry and alarm. Also has aftermarket stereo.I know I need the original radio for this year, so I managed to get both the key fob and radio from the same year. following the wiring loom that goes to the radio there is the large white plug, a small green plug and the larger plug for the factory alarm module.
The problem is that the smaller green plug is too small for the original radio(only about 1/2"long), cant find another one any where under the dash.
Is it possible that even tho this is the ex model it's not supposed to have keyless. When I lock the car with the key it locks all the doors...so I dunno.

any help appreciated.
Thanks
 

RonJ

Banned
Post pictures of the plugs and the rear side of your stock radio.
 


RonJ

Banned
So neither of the two green plugs in your picture plugs into the green socket at the rear of the radio?
 


RonJ

Banned
The diagram below shows keyless connector B that plugs into the rear of the stock radio and the connector B's pinout. Do either of the two green connectors have similar wire color pinouts? Post close up pictures of the rear of each green connector so that the wires are clearly visible.
 

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earlyrizr

New Member
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I was able to get this, don't know if its clear enough,the smaller plug only has 2 wires going to it.I don't have access to the car tonite so if I need better pictures it has to be tomorrow.

Thank you for your help so far.
 

RonJ

Banned
The larger rearmost green plug in your last picture is the only real candidate. Post close up pictures of its front pin side and its rear wire side. Do the wire colors and their positions match at all with the last diagram I posted?
 

RonJ

Banned
You are correct. The large green connector is for the stock security system.

Enter the VIN on your chassis at the Majestic Honda website. Does it confirm or refute that your car is a 98 Civic EX?
 

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RonJ

Banned
This diagram may help.

Connector C516 is the green 22-pin security plug in your last picture.

Connector C517 is the gray 16-pin stereo plug A in your earlier picture.

You are trying to locate connector C515, which is the green 16-pin plug B for the keyless remote system.
 

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earlyrizr

New Member
confirmed 98 civic ex...I dont know where the elusive plug could be,i checked everywhere and nothing.
I would have assumed that it would have been in that wiring loom. maybe I have to take most of the dash apart again. so would that small green plug according to the diagram be the LED connector C518? Is it possible they only put factory alarm plug but not the keyless one?
 

RonJ

Banned
confirmed 98 civic ex...I dont know where the elusive plug could be,i checked everywhere and nothing.
I would have assumed that it would have been in that wiring loom. maybe I have to take most of the dash apart again. so would that small green plug according to the diagram be the LED connector C518? Is it possible they only put factory alarm plug but not the keyless one?
Unless a previous owner swapped the dash wire harness, the plug you seek is hiding nearby under the dash successfully eluding you.
 


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