Kill Switch - The 1947 - Present Chevrolet & GMC Truck Message Board Network

84Stepper · 08-22-2003, 08:11 PM

Need some advice. I want to install a kill switch of some kind and would like to know the best way to do it. What type to buy and where to put it. Appreciate the help!

Russell · 08-22-2003, 08:13 PM

To kill the engine? Just cut off the supply to the distributer, and it will kill the engine nice and quick...

84Stepper · 08-22-2003, 08:22 PM

I want to install it so my truck can't be stolen at nite or when I leave it some where overnite. Hide the switch somewhere. Is that still the best way?

Russell · 08-22-2003, 08:26 PM

if you wanted to, you can just go to Radio Shack and buy a high voltage key switch, install it on some critical electrical component, and just turn it off at night. It would be really easy to override, but I doubt any hijacker would bother trying to figure it out... Just put the key switch key on your ring and you won't forget about it

*mike reeh* · 08-22-2003, 10:35 PM

seen em up behind the ashtray, sort of hidden.. a friend of mine has a 3 way switch.. one way kills ignition, one way is normal, and the other way sounds the horn if you try to start the truck. that might work

mike

Chevy_68 · 08-23-2003, 12:03 AM

in mine i have it located where the cig lighter used to be in the ashtray, mine just loses spark so itll just crank forever just turning turning so oyud think its low on fuel or something

**N2TRUX** · 08-23-2003, 12:22 AM

You have a couple of choices as to "what" to kill. You can break the positive connection to the coil and it will just turn over, and not start.

You can also break the connection to the neutral safety switch, and it will not turn over at all.

I prefer to use the neutral safety myself. That way the thief isn't sure if he has shorted the correct ignition wires to "hot wire" it or not, because it never turns over.

I ran this through a relay, so there was never a concern about the switch itself not being capable of handling the load. There are quit a few options of switches that you can hide, or disguise them in plain site....

Prerunner1982 · 08-23-2003, 02:10 AM

i have mine wired up through the coil on the dist. just cranks. you would use a switch like the dimmer switch on the floor as a kill switch, or a simple hidden rocker switch like mine. you could also do a combination of them. like kill the coil. and neutral safety switch, so even if he figured one out he would have to find the second.

84Stepper · 08-23-2003, 11:51 AM

How do I find the neutral safety switch? That sounds like the best to me.

Prerunner1982 · 08-23-2003, 01:36 PM

look at your manual..... then follow the wiring schematic.

solidaxel · 08-24-2003, 05:54 PM

Find the large purple wire in the main harness it is the starter wire, cut in half and wire into a reley and the switch side of the reley to any kind of switch and don't forget to ground the reley. This will interupt the starter until you turn the switch.

84Stepper · 08-24-2003, 08:36 PM

Thanks for all the great info!

**Captkaos** · 08-25-2003, 01:40 PM

Buddy of mine installed a cut off switch from a tractor and put it inline with the neutral ground wire. It was located under the drivers seat.

08-22-2003, 08:11 PM	#1
84Stepper Registered User Join Date: Feb 2003 Location: Edmond, Oklahoma Posts: 425	Kill Switch Need some advice. I want to install a kill switch of some kind and would like to know the best way to do it. What type to buy and where to put it. Appreciate the help! __________________ 84 Chevy Stepside, 350, TH350, 268h Comp cam, Hooker headers, MSD Pro Billet, Edelbrock Performer manifold and 1604 carb, 40 Series Flowmasters dumped, and Western Chassis 3/5 drop w/ c notch. New 3:73 Eaton Posi

08-22-2003, 08:13 PM	#2
Russell Professional Grade Join Date: May 2003 Location: Fort McMurray, Alberta Posts: 7,915	To kill the engine? Just cut off the supply to the distributer, and it will kill the engine nice and quick... __________________ 1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap)

08-22-2003, 08:22 PM	#3
84Stepper Registered User Join Date: Feb 2003 Location: Edmond, Oklahoma Posts: 425	I want to install it so my truck can't be stolen at nite or when I leave it some where overnite. Hide the switch somewhere. Is that still the best way? __________________ 84 Chevy Stepside, 350, TH350, 268h Comp cam, Hooker headers, MSD Pro Billet, Edelbrock Performer manifold and 1604 carb, 40 Series Flowmasters dumped, and Western Chassis 3/5 drop w/ c notch. New 3:73 Eaton Posi

08-22-2003, 08:26 PM	#4
Russell Professional Grade Join Date: May 2003 Location: Fort McMurray, Alberta Posts: 7,915	if you wanted to, you can just go to Radio Shack and buy a high voltage key switch, install it on some critical electrical component, and just turn it off at night. It would be really easy to override, but I doubt any hijacker would bother trying to figure it out... Just put the key switch key on your ring and you won't forget about it __________________ 1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap)

08-23-2003, 12:22 AM	#7
N2TRUX Happy to be here Join Date: Mar 2000 Location: Cypress, TX Posts: 39,021	You have a couple of choices as to "what" to kill. You can break the positive connection to the coil and it will just turn over, and not start. You can also break the connection to the neutral safety switch, and it will not turn over at all. I prefer to use the neutral safety myself. That way the thief isn't sure if he has shorted the correct ignition wires to "hot wire" it or not, because it never turns over. I ran this through a relay, so there was never a concern about the switch itself not being capable of handling the load. There are quit a few options of switches that you can hide, or disguise them in plain site.... __________________ Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra"

08-22-2003, 10:35 PM	#5
mike reeh 5 day ban, learn to behave. Join Date: Nov 2002 Location: san diego, ca Posts: 683	seen em up behind the ashtray, sort of hidden.. a friend of mine has a 3 way switch.. one way kills ignition, one way is normal, and the other way sounds the horn if you try to start the truck. that might work mike

08-23-2003, 12:03 AM	#6
Chevy_68 Registered User Join Date: Mar 2002 Location: PHX Az Posts: 155	in mine i have it located where the cig lighter used to be in the ashtray, mine just loses spark so itll just crank forever just turning turning so oyud think its low on fuel or something

08-23-2003, 02:10 AM	#8
Prerunner1982 Registered User Join Date: Oct 2002 Location: Edmond, OK Posts: 5,904	i have mine wired up through the coil on the dist. just cranks. you would use a switch like the dimmer switch on the floor as a kill switch, or a simple hidden rocker switch like mine. you could also do a combination of them. like kill the coil. and neutral safety switch, so even if he figured one out he would have to find the second. __________________ Jon 1982 Chevy Silverado 350/th350.... RETIRED 1993 Jeep XJ 2 door(Cherokee) 4wd 4.0ltr/AX-15 (5spd)/NP231 .... Oklahoma Roll Call

08-23-2003, 11:51 AM	#9
84Stepper Registered User Join Date: Feb 2003 Location: Edmond, Oklahoma Posts: 425	How do I find the neutral safety switch? That sounds like the best to me. __________________ 84 Chevy Stepside, 350, TH350, 268h Comp cam, Hooker headers, MSD Pro Billet, Edelbrock Performer manifold and 1604 carb, 40 Series Flowmasters dumped, and Western Chassis 3/5 drop w/ c notch. New 3:73 Eaton Posi

08-23-2003, 01:36 PM	#10
Prerunner1982 Registered User Join Date: Oct 2002 Location: Edmond, OK Posts: 5,904	look at your manual..... then follow the wiring schematic. __________________ Jon 1982 Chevy Silverado 350/th350.... RETIRED 1993 Jeep XJ 2 door(Cherokee) 4wd 4.0ltr/AX-15 (5spd)/NP231 .... Oklahoma Roll Call

08-24-2003, 05:54 PM	#11
solidaxel Registered User Join Date: Dec 2002 Location: Cactus Patch So. Az Posts: 4,749	Find the large purple wire in the main harness it is the starter wire, cut in half and wire into a reley and the switch side of the reley to any kind of switch and don't forget to ground the reley. This will interupt the starter until you turn the switch. __________________ 53 TuTone Extended Cab 350 4-Spd 3:08 (SOLD) 53 Chevy Moldy pearl green ZZ-4 4L60E 9" 3:25 55 GMC 1st Black Mll (ZZ4) ZZ6 TKO 600 5 sp 3:73 62 Solidaxle Corvette Roman Red (327 340hp 4spd 3:36) C4 & C5 suspension tube chassis LS 3 4L70E 65 Corvette Coupe 327 350hp 4spd 4:11 78 Black Silverado SWB (350/350) 5.3 & 4L60E 3:42 2000 S-Type 3.0 (wife cruiser) 2003 GMC SCSB 5.3 4L60E 3:42

08-24-2003, 08:36 PM	#12
84Stepper Registered User Join Date: Feb 2003 Location: Edmond, Oklahoma Posts: 425	Thanks for all the great info! __________________ 84 Chevy Stepside, 350, TH350, 268h Comp cam, Hooker headers, MSD Pro Billet, Edelbrock Performer manifold and 1604 carb, 40 Series Flowmasters dumped, and Western Chassis 3/5 drop w/ c notch. New 3:73 Eaton Posi

08-25-2003, 01:40 PM	#13
Captkaos www.73-87chevytrucks.com Join Date: Dec 1999 Location: Birmingham, AL Posts: 6,935	Buddy of mine installed a cut off switch from a tractor and put it inline with the neutral ground wire. It was located under the drivers seat. __________________ Chris Lucas 1973 Chevy C-10 1978 GMC Jimmy (2WD) - SOLD 1987 R10 twin turbo LS 1991 R3500 SRW CrewCab 1985 K5 diesel swapped project 1989 K5 2WD conversion w/ Vette susp Project Captkaos Customs 73-87chevytrucks.com



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