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10-04-2010, 04:32 PM
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#1 |
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Registered User
Join Date: Mar 2010
Location: Minnetonka, MN
Posts: 409
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ignition switch...bare minimum needed to operate?
Which wires are the bare minimum needed at the ignition switch to start the truck and turn it off? Is it just the red and purple wires, or more?
and, what wouldn't be energized in "on" if I leave the other wires out? Thanks
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1971 C-20 350/350 |
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10-04-2010, 04:51 PM
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#2 |
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Senior Member
 
Join Date: Apr 2001
Location: Alexandria, MN
Posts: 1,462
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Re: ignition switch...bare minimum needed to operate?
In jyards I look at the color of the wires that lead to the starter solenoid and ignition coil and match them to the color wires on the ignition switch plug. Then you will need to break a paper clip in two and jump the main hot (red heavy gauge wire) to the coil wire and then take the other half and put one end in same hot wire and "tap" the other end into the yellow or purple solenoid wire.... You also may have to runa ground jumper from the switch plug to ground as well... its been a while, but it has never failed me yet....
--Mike
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63 C20 2WD, 230/SM420/4.11 73K 68 C30 dump truck, 327,SM425,4.56 66K original 68 C10 2WD SWB Stepper, 250/3-tree/3.73 66K.... Wifes 68 Buick Skylark Custom Conv., 350/TH400/2.56 In our family since '79 69 GMC 1500 SWB 2WD, 350/TH350/3.73 posi... 70 K10 SWB 4X4 4-sp,ps, pb, tilt, buckets, console, sliding back window (Need AC parts) WIP 72 Chevy K20 4x4 350/350/205/4.56 donor 72 Vette 350/M21/3.70 posi, triple black and super fast 84 Olds Cutlass Brougham 350/2004r/4.11 was Dad's |
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10-04-2010, 05:20 PM
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#3 |
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Registered User
Join Date: Mar 2010
Location: Minnetonka, MN
Posts: 409
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Re: ignition switch...bare minimum needed to operate?
Thanks for the response Mike, but I am still confused
 I went to O'Reilly's and bought a cheapo ignition switch w/ keys. It has 4 terminals: Batt Ignition Acc Starter I assume that the wires should go like this: Batt = Red Ign = Pink Starter = Purple Acc = ??? Does this sound right?? There are way more wires than just 4 going to the factory switch...
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1971 C-20 350/350 |
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10-04-2010, 06:17 PM
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#4 |
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Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: ignition switch...bare minimum needed to operate?
If you have a brown, connect that to ACC.
Ray |
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10-04-2010, 06:22 PM
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#5 |
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Roadtrip!
Join Date: Feb 2003
Location: Grand Rapids MN
Posts: 13,852
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Re: ignition switch...bare minimum needed to operate?
Just grab the switch from your other truck, plug it in and go...
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67 gmc custom lwb dakota truck. Sold...And bought back 69 swb 4x4 project (in progress) 70 c-10 lwb texas truck 70 4x4/BB/bkts/posi/tach(retired) 70 swb (wifes) 70 jimmy camper 71 K-5 factory 2wd 71 cheyenne 4x4/tach/posi/ plow rig 71 Cheyenne20 BB, buckets, tach, tilt, 4 speed 72 jimmy CST wyoming rig 72 jimmy Colorado rig 72 lifted texas 4x4 3/4 ton burb 65 fury conv. 383/auto 65 chrysler 300 "L" 413 auto |
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10-04-2010, 09:37 PM
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#6 |
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Registered User
Join Date: Mar 2010
Location: Minnetonka, MN
Posts: 409
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Re: ignition switch...bare minimum needed to operate?
I would pull it from my other truck, but it works well and I don't want to funk with it, plus the pigtail on the 'new' truck is melted kinda bad so I am sure something else is wrong too.
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1971 C-20 350/350 |
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