TwinTurbo.NET: Nissan 300ZX forum - What about when fog are on and lows are off?
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Subject What about when fog are on and lows are off?
     
Posted by Joe(NoVA) on March 29, 2006 at 10:37 AM
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In Reply To FAQ says that when the fogs & the low beams are OFF posted by ZEngineer on March 29, 2006 at 09:54 AM
     
Message Lows off, fogs off is obvious from the table below, since it is essentially the unmodified circuit. The mod only comes into play when the foglight switch is on.

From the FAQ:

SWITCH POSITION FOGS LOWS HIGHS
--------------------Off Off Off Off
Parking -------------- N/A N/A N/A
Lows On(Fogs Off) Off On Off
Highs On(Fogs Off) Off Off On
Lows on(Fogs On) On On Off
Highs On(Fogs On) On On On

The mod only comes into play when the fog light switch is in the on position. Additionally, the high beam flash (pulling the switch) is a different circuit than turning on the highs with the low beams on. I guess my question is what is the on/off table entry for

Low beam off, High beam on, fog light on
Low beam off, High beam on, fog light off

The table doesn't include these values, which are essentially the daytime values that would be used for flashing people. The mod provides a ground to the low beam, which allows it to stay on when the high/low relay takes away its ground.

I think the values are:
----------------------------------------------------F L H
Low beam off, High beam on, fog light on 1 1 1
Low beam off, High beam on, fog light off 0 0 1

But they could also be:
----------------------------------------------------F L H
Low beam off, High beam on, fog light on 0 0 1
Low beam off, High beam on, fog light off 0 0 1

Essentially the first table means that you must manually switch on your fog light switch during night and turn it off during the day when you're going to want to use the high beams to flash people, so that you keep the lows on at night and don't turn them on during the day. If the second one is correct, then the mod is perfect for people with HIDs.

*********************************************************


Joe
Sport 530bb/Inconel
AIM: hoyatiger81
510rwhp/520rwtq at 23 psi

"You probably never even got you hands dirty working on a car. Take care toolbox!" --djtz1

     
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