Good source for switched +12 VDC in a 348?

I ran a dedicated line off the battery with a relay to switch it on off from the ignition to run my extra guages and usb socket
Did not see anything worth while on the car to use.

 

Mike, rip the radio out (see the other thread) then you will have a permanent and ign. switched 12V from the radio connector.

 

I use that 12 volt ignition on wire I found under the dask. I forget what it was for maybe radio or wipers. I took it right off the fuse box under the bonnet .
It is only used to trigger a relay to power on 12 volt with the key on


Then the starter you use the solenoid start wire to trigger it like he posted in his pics

I been using electronic relays lately and delay relays to control stuff, example I have my cooling fan run 30 seconds after I turn off the car

EDIT


I use these




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Google

ST3P relay timer

All you need to know. I get them from china as most me electronic stuff

 

Are you sure? My 348 radio connector block has one, otherwise the radio would not go on and off with the ignition. Otherwise, the (fairly) standard wire colours of the radio are yellow for permanent 12V, red for ign. 12V.

 

If I remember correct my 348 radio harness only has a 12v constant and no switched also

 

I have to correct myself, my block does not have it either. I had to wire it separately (see the red wire on the pic).
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I remember it had a red wire that did nothing, perhaps a switching wire from the radio that kept memory or something. These cars have odd wiring at best

 

Not that I know anything about the 348, but I agree, running a wire from the battery and using a relay to any of the switched 12v wires should be fine. Relays don't draw much power, so the radio switched 12 volt would be a natural choice for a relay. Also the fuel pump relay is a good place to pick up 12v for switching on the relay.

 

LOL those fuel pump relays take a beating from the fuel pumps and bad connections. It was one of the things my black challenge has issues with. The connections were toast at the relay board

 

Well, I would argue that it might make a good early warning system rather than having undetected faults in the fuel system. LOL, if your relays to the fuel system are screwed up, you would want to know it!

 

Thought about it

Way the system works if I remember right BIG IF, lol
Crank trigger see 35 rpm then flips on the fuel pump relays. If the pumps are drawing too many amps connections start to go then the connections fail then pumps fail

Best thing would be to record the fuel pump amp pull but now were just getting silly LOL
We need to stop thinking you and me because we may come up with a car thats way overkill

Wait that ain't ain't so bad

Anyway the fuel pump is the root of all evil

 

Why not go to passenger footwell? Plenty of power there plus close to where you will work.

 

That box needs to be eliminated

Not as bad as a 928 but still