2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

12v ignition power source

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Old Jul 3, 2006 | 09:13 PM
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12v ignition power source

i'm assuming the best place is to take the 12v ignition power from the wires coming out of the lock cylinder? Looked on the car, and on the fsm. End result didn't really tell me much other then the wires outta the lock cylinder on the steering columb. Just thought i'd as you guys to confirm on it.
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Old Jul 4, 2006 | 01:42 AM
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there is a diagram in the FAQ for FC sticky thread that lists what feeds what
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Old Jul 4, 2006 | 02:25 AM
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if you meant the one about installing a radio....i'm not isntalling a radio

been running the multimeter on the lock cylinder all afternoon, doesn't seems like there's much reason why i shouldn't run it straight off of the cylinder.
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Old Jul 4, 2006 | 05:56 AM
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There are switched power sources all over the car, and the FSM wiring diagrams show them pretty clearly. Which one you use depends what you're installing and where you're installing it, which you haven't told us...
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Old Jul 4, 2006 | 02:01 PM
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things like the coils and fuel pump. Running it direct. So from the look of it, i should be runing it straight out of the 10GA ish sized black\white wire coming out of the lock cylinder aka the ign1. Anyone know if it's a good idea or no?

these wiring diagrams really takes a while to get used to how it works
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Old Jul 4, 2006 | 03:04 PM
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Don't run the fuel pump directly from an IGN source. In the event of an engine stall (like in a collision) the fuel pump will continue to run. This is very unsafe.

At the ignition switch, the black/white wire is IGN.

In the engine bay, all black/yellow wires are IGN.
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Old Jul 4, 2006 | 03:25 PM
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Originally Posted by ahyc84
if you meant the one about installing a radio....i'm not isntalling a radio

been running the multimeter on the lock cylinder all afternoon, doesn't seems like there's much reason why i shouldn't run it straight off of the cylinder.
No I meant this:
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Old Jul 4, 2006 | 06:36 PM
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wow i sure didn't find that. sometimes it's hard to find things in the faq. does the original thread have a bigger version> cuz that's reallllyy hard to read :S too small\blurry

Originally Posted by Aaron Cake
Don't run the fuel pump directly from an IGN source. In the event of an engine stall (like in a collision) the fuel pump will continue to run. This is very unsafe.

hmmm veryy good point. I guess i SHOULD use the relay supplied with the ecu and make the kill switch on the fuel pump supply power prior to the relay.
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