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2008 honda accord 4dr negative horn wire

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ruki101 
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Posted: February 07, 2010 at 1:59 PM / IP Logged  

I have gathered couple of wiring diagram for this vehicle but I'm a little confuse on the "horn wire" provided. I'd like to used a negative polarity since my remote starter outputs negative signal for the horn. The wire provided on the diagram is GREEN/ YELLOW at the fusebox but it returns 12 volts when tested. Can someone help me locate the correct negative wire for the horn on this car.?

Note: The vehicle is 2008 Honda Accord Sedan.

Thanks

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Twelvoltz 
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Posted: February 07, 2010 at 2:06 PM / IP Logged  
A negative horn trigger may rest at +12V or 0V but will go to ground when activated, if it does not then you are not on the correct wire. I usually grab it as close to the switch as possible, it's an orange wire in your 08 Accord. Take off the plastic shroud on the steering column, once that's off the horn trigger is the orange wire in a connector on the top of the column.
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moonliter 
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Posted: February 07, 2010 at 5:26 PM / IP Logged  

2008 honda accord wiring diagram

x1le 
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Posted: February 07, 2010 at 5:42 PM / IP Logged  
Twelvoltz wrote:
A negative horn trigger may rest at +12V or 0V but will go to ground when activated,
if it rests at 0v and go's to ground, how would you test with a meter?
ruki101 
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Posted: February 07, 2010 at 6:06 PM / IP Logged  

Thanks for the replies.

@x1le, good question... I'd like to find out the answer.

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zerepdivad 
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Posted: February 07, 2010 at 7:51 PM / IP Logged  
x1le wrote:
Twelvoltz wrote:
A negative horn trigger may rest at +12V or 0V but will go to ground when activated,
if it rests at 0v and go's to ground, how would you test with a meter?
Positive lead on your meter to constant 12volts, and your negative to that wire, then when it goes negative *ie you push the horn* then your meter will read 12 volts. That's how you should be testing any negative trigger.
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tedmond 
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Posted: February 08, 2010 at 1:57 PM / IP Logged  

yeap, the polarity you are testing for, that lead will always be on the wire you want to test.

it can be trick for rev polarity, this is when you got to cut the wire and test which is power side, versus load side.

looks like the fortin diagram is becoming a good help.

cheers.

Ted
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ruki101 
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Posted: February 08, 2010 at 4:28 PM / IP Logged  

So, either wire can be use for honk then.

Thanks!

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tedmond 
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Posted: February 08, 2010 at 4:33 PM / IP Logged  
use the wire at the white connector. It is a low current circuit so you wont need any addition relays. just take the horn output from the unit and connect. but make sure you test.
Ted
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Still installing as a hobby...pays for groceries
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ruki101 
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Posted: February 08, 2010 at 7:47 PM / IP Logged  
@tedmond, thanks for confirming...
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