I think the stock radio has a feature that sets up the time delay on
the dome light.
When I had a CD tuner installed, the installer put in connecter that
essently shorted the dome wires. The dome light now goes on/off
immediately when the door is shut (ie: no delay) but otherwise works
normally. I was told that it was done but never saw the process so
sorry I can't be more specific.
The dome light is indeed routed through the factory radio in '96 - '98
Civics. This is because on models with a security system, the control
unit is inside the stereo, and the security system is using the dome
light wire to monitor if any doors are opened.
The problem gets worse if you have remote keyless entry, as the factory
receiver for this is also inside the factory stereo.
Since you only are missing the dome light, the solution is easy. Get
part number Part Number HA03B from http://www.scosche.com/ and plug it
into the now unconnected alarm / keyless entry plug behind the stereo.
If you feel adventurous, you can do without the Scosche adapter. Just
locate the connector inside the dash and short together the LT GRN/RED
wire (from door switches) and the LT GRN/BLK wire (to dome light)
======================================================A very modest collection of Honda tech info can be found at:
We put an after market stereo in my son's 97 Civic and his dome lights
don't work. I only remember unplugging two things though. The main
plug has the reverse harness in it and I thought the other was for the
CD player. Is there another plug back there? I just don't remember a
third plug in on the back. Thanks for any info!
There shouldn't be a factory harness for a CD player. There should be
the 16-pin rectangular connector that you plugged the reverse harness
into and another 16 pin rectangular connector for the dome light,
keyless entry, alarm etc. according to trim level.
At the back of the factory stereo, there should be an additional,
circular DIN receptacle used with the optional cassette player or with a
CD player. Unless you have either of these two installed, there will not
be a cable for it behind the stereo.
A very modest collection of Honda tech info can be found at:
Thanks. You're right. The CD player did have a round plug. If I plug
the dome light, etc. harness back into the original stereo, will that
solve my dome light problem? Or do I still need the other plug from
Yes, that works. Putting a jumper in there would do the same, like
RANDOLPH said. I'd meter the backside of the connector, then chop up the
old radio and take the green connector out and use it as the jumper,
making sure it couldn't short to ground.
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