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post #1 of 11 (permalink) Old 11-09-2012, 08:04 PM Thread Starter
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Constant 12v Source for Engine Bay Lighting.

I was was wondering what fuse should I pull in the engine bay fuse box to place an add a curcuit in to hook up an led engine bay light. I want a source from the fuse box where the car doesn't have to be on or running. Thank you.
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post #2 of 11 (permalink) Old 11-10-2012, 04:19 AM
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I used the rear defrost with a fusetap.

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post #3 of 11 (permalink) Old 11-10-2012, 11:50 AM Thread Starter
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I did this using a mercury switch as the trigger just now and it blew out each fuse tht came with the fuse tap just connecting one 12 in. led strip. Why is this occurring?

---------- Post added at 02:50 PM ---------- Previous post was at 02:40 PM ----------

Also, might I add that the fuse did not blow when I hooked up the led strip without the mercury tilt switch within the curcuit.
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post #4 of 11 (permalink) Old 11-10-2012, 02:48 PM
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The BAT terminal on the starter is always hot also. Be careful with a mercury switch, everytime you start or stop the light will cycle on and off.
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post #5 of 11 (permalink) Old 11-10-2012, 06:21 PM
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Not if the angle is right.Mine doesn't.

---------- Post added at 10:21 PM ---------- Previous post was at 10:19 PM ----------

Quote:
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I did this using a mercury switch as the trigger just now and it blew out each fuse that came with the fuse tap just connecting one 12 in. led strip. Why is this occurring?
Hope you put it in series and not parallel.

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post #6 of 11 (permalink) Old 11-10-2012, 08:16 PM Thread Starter
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Okay I've got the wiring down. Now my issue is that the mercury switch stays on. It's not enough angle when the hood closes to shut it off. Where did you place your switch? What does it look like? I think the one I have from a amazon sucks because first of all I had to shake it first just to free up the mercury.
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post #7 of 11 (permalink) Old 11-10-2012, 08:42 PM
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Okay I've got the wiring down. Now my issue is that the mercury switch stays on. It's not enough angle when the hood closes to shut it off. Where did you place your switch? What does it look like? I think the one I have from a amazon sucks because first of all I had to shake it first just to free up the mercury.
Why not just put a switch?...This comes on every alarm that has remote start and is very cheap on the stores ....

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post #8 of 11 (permalink) Old 11-11-2012, 06:17 AM Thread Starter
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How would I install it? Would I have to drill?

---------- Post added at 09:17 AM ---------- Previous post was at 07:28 AM ----------

Coby I saw your post about the mercury switch, however I couldn't where you mounted it and the angle.
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post #9 of 11 (permalink) Old 11-11-2012, 06:36 AM
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Quote:
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Coby I saw your post about the mercury switch, however I couldn't see where you mounted it and the angle.
I know photobucket has changed there server and not all has followed. I notice the slideshows don't work anymore. I mounted it here near the LED strip(it is wrapped in black shrinkable). The hood shape has a good angle where the LEDs only come "ON" when the hood is fully raised.


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Last edited by Coby7; 11-11-2012 at 06:41 AM.
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post #10 of 11 (permalink) Old 11-12-2012, 09:45 AM Thread Starter
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That shrinkable that you have protecting the switch, where can I get it and what is it called? I know isn't shrink tubing because it wouldn't fit. I just need what you have and I'll be done!
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