how to keep the low beams on when the high beams go on? - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-13-2004, 08:55 PM   #21
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Just checked. Here is how it goes for a 97....

From lows to highs, only the highs come one but while the switch is being held back the highs are at their brightest until you let go then they do actually dim a tad.

From high to low, both sets of lights come on until the switch is released, then back to only lows.
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Old 06-13-2004, 09:16 PM   #22
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Quote:
Originally Posted by Twister97
From lows to highs, only the highs come one but while the switch is being held back the highs are at their brightest until you let go then they do actually dim a tad.
I stand corrected. Thank you for checking.
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Old 06-14-2004, 12:47 AM   #23
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well tommorow when there is light out ill look under the hood and see what i can do
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Old 06-14-2004, 12:53 AM   #24
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Consider the possiblilty that you'll need a larger fuse, and that the gauge of wire won't be sufficient to support the current demand of all four lamps.
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Old 06-14-2004, 03:14 AM   #25
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Maybe I missed it, what year is yours, NERV? My 92'* dims click off the moment the brights click on.
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Old 06-14-2004, 04:01 AM   #26
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96 ssei
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Old 06-16-2004, 07:02 PM   #27
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Quote:
Originally Posted by willwren
Consider the possiblilty that you'll need a larger fuse, and that the gauge of wire won't be sufficient to support the current demand of all four lamps.
I was thinking the same thing. To be specific, do _not_ try to power one set of headlamps (e.g. lighting up the low beams...) by just piggybacking a connection from the other set (...when the high beams are on); you will double the operating amperage on whichever circuit is providing the power at that time.

If you want to add a relay (such as the J.C. Whitney kit), that'* fine, but the circuit brought in by the relay to light up the second set of headlamps should be a separate fused power supply, not just a jumper lead from whichever headlamps are currently on.

(Yes, that can be a fused power supply for the relay, it doesn't have to be a circuit breaker, since if the fuse blows, you'll still have the car'* original circuit breaker protecting the original power circuits to the headlamps.)
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