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Ecklers AutoMotive
Username Post: Install kill switch        (Topic#356292)
Mja1975 
Silver Supporting Member
Posts: 308
Mja1975
Age: 44
Loc: San Jose , Ca
Reg: 06-28-12
05-04-19 07:43 PM - Post#2765736    

Hello All,
I bought a 100 amp keyed kill switch that I installed in my trunk. I spiced in from the 12 volt wire to the solenoid. I'm getting voltage drop about 6 volts I used the same guage wire as purple solenoid wire. Can anyone please give advise?

1967
307
400 Turbo


Edited by Mja1975 on 05-04-19 07:54 PM. Reason for edit: No reason given.

 
Ecklers AutoMotive
Bad56Sedan 
"12th Year" Gold Supporting Member
Posts: 1091
Bad56Sedan
Loc: Pasadena, Texas
Reg: 04-29-04
05-05-19 06:19 PM - Post#2765788    
    In response to Mja1975


( I do not own a 67-70 Chevy, I do not post in this forum )
I don't not have an answer for the voltage drop,
I am asking about splicing the wire to the solenoid.
So the way you have this set up, if you forget to turn on the kill switch on, nothing happens?
The starter does not engage ?
Is this correct?


VC56S 2 door Sedan, 39 Years



 
Mja1975 
Silver Supporting Member
Posts: 308
Mja1975
Age: 44
Loc: San Jose , Ca
Reg: 06-28-12
05-05-19 07:20 PM - Post#2765791    
    In response to Bad56Sedan

Yes you are correct. But I have checked that the switch is engaged. I have tested power at both terminal on the switch. The line (wire) is 12 volts the line going back to soleniod drops to 6 volts. The guage wire I am using is 14. I went ahead and re wired the switch closer to engine. Like in the glove box works like a supposed to. Bit does not when I lengthen it to the trunk.

1967
307
400 Turbo


 
65_Impala 
Very Senior Member
Posts: 4211

Reg: 12-29-02
05-06-19 10:29 AM - Post#2765824    
    In response to Mja1975

You need heavier wire to run it that far. At least 10 gauge, maybe even 8 or 6. You also might have to update the stock wiring that is already there to a heavier size.



 
Mja1975 
Silver Supporting Member
Posts: 308
Mja1975
Age: 44
Loc: San Jose , Ca
Reg: 06-28-12
05-06-19 11:12 AM - Post#2765828    
    In response to 65_Impala

Sounds good that's what I thought. I will let you know how it turns out!

1967
307
400 Turbo


 
Bad56Sedan 
"12th Year" Gold Supporting Member
Posts: 1091
Bad56Sedan
Loc: Pasadena, Texas
Reg: 04-29-04
05-06-19 03:23 PM - Post#2765845    
    In response to Mja1975

14 gauge is small, like mentioned in the other post increase the wire size,
Unfortunately I don't know what size but I would try what the other poster suggested.
Only other thing is the switch, surely you get 12 volts on each side of it?
I wire kill switches differently, I agree the key type is a great idea, but the thief hops in and attempts to start the car, in your case nothing happens. He knows to look for a kill switch.
The way I wire it the thief hops in attempts to start the car, the starter runs and runs and runs but the car never starts and either the battery runs down or the thief thinks this pos won't start.
Let us know what happens when you increase the wire size, thanks for the idea of the key lock type switch.


VC56S 2 door Sedan, 39 Years



 
Mja1975 
Silver Supporting Member
Posts: 308
Mja1975
Age: 44
Loc: San Jose , Ca
Reg: 06-28-12
05-06-19 03:37 PM - Post#2765846    
    In response to Bad56Sedan

I'm going to have to see how I will run bigger guage from the harness. How do you run your kill switch? From electric fuel pump? Please let me know.

Thanks

1967
307
400 Turbo


 
Bad56Sedan 
"12th Year" Gold Supporting Member
Posts: 1091
Bad56Sedan
Loc: Pasadena, Texas
Reg: 04-29-04
05-06-19 04:18 PM - Post#2765851    
    In response to Mja1975

I am putting a simple on/off switch in the power to the distributor.
That way the starter still runs.
I pulled the wire back through the fire wall, spliced it, put in the switch and new wire back the the distributor, all covered with the wire loom cover stuff that melts when it touches something that's a bit warmer than ambient!
The switch goes on the passenger side out of the drivers reach, make 'me roll around in the floor if they want this one!


VC56S 2 door Sedan, 39 Years



 
Mja1975 
Silver Supporting Member
Posts: 308
Mja1975
Age: 44
Loc: San Jose , Ca
Reg: 06-28-12
05-06-19 04:25 PM - Post#2765852    
    In response to Bad56Sedan

Your wiring is a good plan I also thought of it . I was concerned about amp rating running through the switch.

1967
307
400 Turbo


 
mjc1 
Senior Member
Posts: 1531
mjc1
Loc: Burlington Ontario Canada
Reg: 09-15-04
05-12-19 04:54 PM - Post#2766251    
    In response to Mja1975

I ran a too small of a wire to a micro kill switch in a car years back. It was running a Pertronix ignitor conversion. It wouldn't run right due to the voltage drop. Would idle, but sputter at part or full throttle. So the correct wire size can be important.

1967 Grande Parisienne 4DR HT
My Flickr page



 
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