C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Electrical problem

Old Nov 7, 2024 | 05:15 PM
  #21  
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From: Loud, Raw and Dangerous 1968 327 4S in Southern California
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Here is the AIM picture for the wiring....Blue X is a wire not used if you have a HEI ignition.

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Old Nov 7, 2024 | 05:43 PM
  #22  
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From: Loud, Raw and Dangerous 1968 327 4S in Southern California
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Be careful working around the starter terminals...need to disconnect the battery as there is no fuse or link in this part of the circuit B+.
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Old Nov 7, 2024 | 06:10 PM
  #23  
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From: Loud, Raw and Dangerous 1968 327 4S in Southern California
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Another quick check is to verify that the B+ battery clamp and wire that are attached at the battery are making good contact. Do your voltage drop test at those points.
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Old Nov 7, 2024 | 10:52 PM
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I’m going to take my car over to my friends garage and put it on his lift next week and check everything out I’ll let you know how it goes. Thanks everyone for the help.
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Old Nov 8, 2024 | 08:39 AM
  #25  
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Just be sure that your Fusible Links are still "good". The 1968 has two down near the starter and they do make the horn relay go dead when the fusible links are toasted.
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Old Nov 8, 2024 | 08:52 AM
  #26  
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After reading all these replies, I think you are looking at a bad ground and possibly an open fusible link (at the starter connection) Good luck, use the wiring diagrams others have provided to verify connections.
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Old Nov 8, 2024 | 11:06 AM
  #27  
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From: Loud, Raw and Dangerous 1968 327 4S in Southern California
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I understood that the fusible link part is the wire between the two black objects. The wire is what gets damaged and the black objects are for connecting and possible to limit the damage to the other wiring. Here is a picture of a damaged link of a similar type that is on my 1968.


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Old Nov 21, 2024 | 02:53 PM
  #28  
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Sorry for not getting back sooner but hunting season got in the way 😎 Come to find out my new battery had a bad cell it read like it was ok but when you put a load on it it couldn’t handle it. Got it fixed just in time to put it away as it’s supposed to snow today. Thank everyone for the help.
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