Cigar Lighter Conversion to Key On/Off

[Glock_19_9mm]

Hello all,

Just paying back the forum for the help it has provided me. I had a need for the cigar lighter to be switched on and off with the vehicle. As you probably know, the Liberty always has power. So I came up with a way to convert it to keyed function with no permanent mods required to the Jeep. Can be installed and removed in 2 mins and cost $7.

Attached is a write-up on how I did it..

 

[DadOSix]

Nice write up!

 

[Andrey Levy]

Hello all,

Just paying back the forum for the help it has provided me. I had a need for the cigar lighter to be switched on and off with the vehicle. As you probably know, the Liberty always has power. So I came up with a way to convert it to keyed function with no permanent mods required to the Jeep. Can be installed and removed in 2 mins and cost $7.

Attached is a write-up on how I did it..

Hi. Thanks for sharing! I was looking for this kind of solution!
But I have a question. I see that you combined to fuses in add-a-cuircut wire. I have no knowledge in electricity, but what does it mean if something goes wrong, what fuse gonna blow up? The 10A or 20a? Should I just add an 30a fuse instead?

 

[sota]

Hi. Thanks for sharing! I was looking for this kind of solution!
But I have a question. I see that you combined to fuses in add-a-cuircut wire. I have no knowledge in electricity, but what does it mean if something goes wrong, what fuse gonna blow up? The 10A or 20a? Should I just add an 30a fuse instead?

1) when doing add-a-fuse, never increase the fuse rating above what was there initially.
2) if possible, down rate the original fuse, so that the combined rating of both is equal to the original fuse.
3) use the smallest fuse possible for the additional circuit.
4) make sure you orient the add-a-fuse correctly; the tang opposite the stub wire should be plugged into the feed wire in the fuse panel.
5) use a test light or meter to determine 4) if you're not sure.

If you put the add-a-fuse in the wrong way, you'll wind up double-fusing your add-on link.

 

[Andrey Levy]

1) when doing add-a-fuse, never increase the fuse rating above what was there initially.
2) if possible, down rate the original fuse, so that the combined rating of both is equal to the original fuse.
3) use the smallest fuse possible for the additional circuit.
4) make sure you orient the add-a-fuse correctly; the tang opposite the stub wire should be plugged into the feed wire in the fuse panel.
5) use a test light or meter to determine 4) if you're not sure.

If you put the add-a-fuse in the wrong way, you'll wind up double-fusing your add-on link.

Thank you!!! It was very detailed explanation!

 

[03GoingStrong]

Just what I was looking for. Thanks !

 

[cjw3cma]

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I see that there are single-blade connectors available like the one shown below. Have located both the single blade connector (2.8mm width is the same as blades on the mini fuse) and the 12V Car Add-a-circuit Fuse TAP Adapter. But I will end up with 4 EXTRA adapters - SO

Is anyone interested in these? Since I will be making one for my use, I can make the other 4 at the same time IF there are members interested in them.

Let me know.