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post #1 of 3 Old 10-12-2015, 12:48 PM Thread Starter
StoneTower
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1985 CJ7 
 
Join Date: Jan 2015
Location: Fair Oaks
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Accessory circuit

Hi,

I am going to install a couple of extra fuse panels (small under the dash) to remove the load off the key. I plan on having one that is hot all the time, one that is keyed and maybe one that is for the accessory position.

Is the accessory circuit (controlled by the key) a special wire that is hot both at run and in the accessory position? I am thinking that I would need a separate fuse block that was just for this key position. I am planning on powering both the keyed and accessory fuse block with relays that are drawing their power from the constant power fuse block that will be supplied with a large (maybe 8 or 10 gauge) wire.

Any thoughts?

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post #2 of 3 Old 10-12-2015, 01:49 PM
Mike Romain
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1986 CJ7 
 
Join Date: Nov 2007
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Yes, on my 86, it is the yellow wire that is hot in both run and acc. It controls the accessories so you could run that to a relay for a fuse panel.
Ignition switches don't fail often, seems like a lot of extra work.

Mike
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post #3 of 3 Old 10-13-2015, 02:50 AM
BagusJeep
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This diagram may help work out which wire does what in which position and how it interacts with the fuse box on a 1985. You will note one ignition system wire, the headlights and the horn are not fused or relayed, for safety reasons. Personally I have relayed the headlights to get maximum performance but not the ignition, and take the risk the headlights might drop out.

The switch at the bottom of the column does not tend to fail and is only around $15.

The 10 gauge red wire that comes from the bulkhead connector to the back of the fuse box may be the best one to splice into as it should have a fusible link on it at the solenoid end. check it is there and it is unlikely you will burn the Jeep down.

I also enclose some AMC fuse boxes of a similar era as it help to visualise which fuses they are.
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