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Old 07-01-2009, 01:55 PM   #1 (permalink)
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What can I tap into for an ignition controlled power source?

What else can i tap into besides the radio wire harness?
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Old 07-01-2009, 02:18 PM   #2 (permalink)
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Fuse C2 under the dash.
Michael
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What else can i tap into besides the radio wire harness?
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Old 07-01-2009, 06:47 PM   #3 (permalink)
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Shoot. Is that in the manual? How do I access it?
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Old 07-01-2009, 07:56 PM   #4 (permalink)
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Here we go, use a fuse tap as shown, from an auto parts store or Radio shack.
Michael
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Old 07-02-2009, 01:34 AM   #5 (permalink)
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Here we go, use a fuse tap as shown, from an auto parts store or Radio shack.
Michael
alternately you can solder a wire from the unfused side of C2 and run it to one of the empty fuse slots. That way everything matches..
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Old 07-04-2009, 10:43 AM   #6 (permalink)
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Rob, if you are referring to the 3 spare fuse slots, C6,7,8, they don't have a fuse holder in them. Guess Lotus wanted to save cost and weight.
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alternately you can solder a wire from the unfused side of C2 and run it to one of the empty fuse slots. That way everything matches..
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Old 07-04-2009, 12:08 PM   #7 (permalink)
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Thanks for the info. What if I am connecting a device directly to the battery for power and just need to tap it into the ignition for controlled switching? Can I tap it into the same fuse?
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Old 07-04-2009, 12:22 PM   #8 (permalink)
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Sure,
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Thanks for the info. What if I am connecting a device directly to the battery for power and just need to tap it into the ignition for controlled switching? Can I tap it into the same fuse?
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Old 07-04-2009, 12:51 PM   #9 (permalink)
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Thanks for the info. What if I am connecting a device directly to the battery for power and just need to tap it into the ignition for controlled switching? Can I tap it into the same fuse?
You may already be doing this, in which case it's just a reminder for everyone else, but if you're connecting something "directly" to the battery (i.e. a power amp), make sure it's got an inline fuse (of the appropriate size), preferably close to the battery itself.

EDIT: Michael, why did you choose C2 over C3? On my schematic, C3 is the switched power to the radio (key-in)...
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Old 07-04-2009, 01:22 PM   #10 (permalink)
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I'm reinstalling my CarPC. I don't have my Lotus manual, though. Is there a diagram of these fuses? Thanks again.
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Old 07-04-2009, 01:33 PM   #11 (permalink)
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++++++11111111 for a fuse, always, always, always, protect with a suitable rated fuse....am I clear
I chose C2 because it had a higher circuit rating and was one I rarely used (wipers). I was using it for a dash mounted 12V outlet. For very low amperage requirements C1, C2 or C3 could be used. I would stay away from C4 as it has ECU implications.
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You may already be doing this, in which case it's just a reminder for everyone else, but if you're connecting something "directly" to the battery (i.e. a power amp), make sure it's got an inline fuse (of the appropriate size), preferably close to the battery itself.

EDIT: Michael, why did you choose C2 over C3? On my schematic, C3 is the switched power to the radio (key-in)...
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I'm reinstalling my CarPC. I don't have my Lotus manual, though. Is there a diagram of these fuses? Thanks again.
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Old 07-04-2009, 02:18 PM   #12 (permalink)
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I chose C2 because it had a higher circuit rating and was one I rarely used (wipers). I was using it for a dash mounted 12V outlet. For very low amperage requirements C1, C2 or C3 could be used. I would stay away from C4 as it has ECU implications.
Michael
OK, that makes sense. I suppose if it's a device that's powered separately (i.e. from battery power) and is just sensing switched ignition power it wouldn't draw significant amperage.
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Old 07-04-2009, 02:29 PM   #13 (permalink)
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Awesome. Just out of curiosity, what's that sole blue fused one for?

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Old 07-04-2009, 02:43 PM   #14 (permalink)
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Driving lights, if fitted.
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