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Power from ignition switch...sometimes? |
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304-dude 
AMC Addicted 
Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9082 |
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 Posted: May/20/2019 at 11:53am |
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Well, at least you know where to look on the solenoid to quickly identify whats going on. Could be the contacts with each solenoid post. The solenoid rarely gets looked at for contact connectivity, thus the intermittent troubles with starting.
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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Jfunk378
AMC Apprentice 
Joined: Apr/30/2015 Location: Louisiana Status: Offline Points: 32 |
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Posted: May/20/2019 at 11:58am |
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So, should I start with removing each connection, making sure it’s clean and tight? Is there an NSS inside the column too? I have also seen the ignition switch located at the bottom of the column referred to as an ignition relay in other posts. Which is accurate?
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304-dude
AMC Addicted
Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9082 |
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Posted: May/20/2019 at 12:05pm |
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Temp changes, condensation, and as you say wiggling, or should i say settling after a while brings change.
Seen plenty of random connectviity issues through the years. To me a bad switch is a bad switch, unless a few good arcs when switch closes cleans up its contacts... which, by the way, can happen with weak connectivity at the solinoid, when things settle after long term non use. Eventally the intermittant failure will become permanent. Anywho... cleaning and checking electrical connections will do more good than waiting for replacement or further troubleshooting. |
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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Jfunk378
AMC Apprentice
Joined: Apr/30/2015 Location: Louisiana Status: Offline Points: 32 |
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Posted: May/20/2019 at 1:56pm |
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304-dude. Thank you for all the info. Will do what you suggested and post a follow up.
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PHAT69AMX
AMC Addicted
Joined: Jul/07/2007 Location: West Virginia Status: Offline Points: 5926 |
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Posted: May/21/2019 at 12:45pm |
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Link to On-Line 1973 AMC Factory Technical Service Manual:
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