C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

HELP, Electrical Problem?

Old Sep 26, 2002 | 10:47 AM
  #1  
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Default HELP, Electrical Problem?

Please excuse my incorrect gramma...and read everything before giving me answer. Thanks

I finally got the engine rebuild and put back in the car. After everything is connected, fluid filled up..ect. Yesterday I connect the negative cable to the battery after it charged up. Put the key in the ignition to start up the car. all the light work, the IP panel, the Security light work, the stereo work except the car wouldn't turn over :confused: . The solenoid doesn't click at all.

One of a possible problem I can think of was when the starter was out hanging/touching the transmission coolant line last year, I had tried to connect the negative cable back to charge up the battery. When I touch the negative cable to the battery, there were sparks so I stop. DID I BURN SOMETHING?

-I have both the Haynes and the Factory Service Manual. The Haynes troubleshoot lead to checking the solenoid by jump a wire from the positive battery post to the 'S' terminal. Do they mean the smaller terminal of the starter? Do I need to have the ignition on when tesing this? Is this mean a long wire running from the positive battery post to under the car and trid to touch the 'S' terminal without touching anything else? Everything down there is metal :rolleyes:

- The Factory manual mention checking the starter relay behine tha IP :eek: .
- Where is the Fusible Link A?
Please give me which troubleshooting steps should I start first... Should I follow the service manual? The service manual assume that the engine was running at one time before the proble occur. My problem may occur by my stupidity :crazy:
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Old Sep 26, 2002 | 11:17 AM
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Default Re: HELP, Electrical Problem? (VQT88Vette)

OK ......did you burn something?.........I'd say YES ........you probably burned a fuseable link.......and like the manual says it's probably "A"...... where is it? OK there are 3 fuse links at the starter "A", "B", and "C". "A" and "C" are red wires and "A"goes to the alternator, the fuse block and the ign switch.
To see if you can at least get the starter to crank : the test you read about is correct. Go from the BIG wire on the starter (battery cable size) to the "S" terminal ( a little terminal and it's close to the block) you can do this with either a jumper wire or a screwdriver blade or whatever. you are trying to get power to the little wire from the big wire. this SHOULD crank the engine. Do you have a test light?........hook it to the BIG wire first ..... when it's grounded it should light. If not then back track to the battery to see why.........you should be able to light the test light by going across the battery trminals............ :seeya
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Old Sep 26, 2002 | 11:25 AM
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Default Re: HELP, Electrical Problem? (vettmech)

To answer your IM, my suggestion it to follow the above post.

Jason
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Old Sep 26, 2002 | 11:30 AM
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Default Re: HELP, Electrical Problem? (VQT88Vette)

Might be VATS - try another key, mine had this problem until I got a brand new key. Now I have a starter heat soak problem, starter won't turn over when engine is hot. You don't have that problem.

As far as the fusible link it should be in the Factory Service manual. The electrical diagrams in the Haynes are not very good (IMHO).

Check all the fuses, there are quite a few including the VATS fuse behind the information panel that could have shorted out. Have your starter tested, make sure all connections are tight. Remove the ground connections, clean the connection points and re-connect.

Just some ideas, hope they help.
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Old Sep 26, 2002 | 11:46 AM
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Default Re: HELP, Electrical Problem? (vettmech)

you probably burned a fuseable link.......and like the manual says it's probably "A"...... where is it? OK there are 3 fuse links at the starter "A", "B", and "C". "A" and "C" are red wires and "A"goes to the alternator, the fuse block and the ign switch.
Vettemech,
Can you give me more details on the fuseable link? Does it has a particular shape that I can identify, and can I tell that it was burnt or I have to test it with an Ohm meter? The fuselink A, B, C, how far away from the starter?

Thank you for your help
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Old Sep 26, 2002 | 11:59 AM
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Default Re: HELP, Electrical Problem? (jaa1988)

Might be VATS - try another key, mine had this problem until I got a brand new key..
Tried both keys, still nothing happen.

As far as the fusible link it should be in the Factory Service manual. .
The service manaul doesn't show what the fuselink looks like.

Check all the fuses, there are quite a few including the VATS fuse behind the information panel that could have shorted out. Have your starter tested, make sure all connections are tight. Remove the ground connections, clean the connection points and re-connect.
Just some ideas, hope they help.
All fuses had been checked except the big one on the righ colunm, I don't know how to check that.

Yes, I will take the starter out to get it check by the auto parts store after I check the fuses links...

All connectors are clean and tight...It a clean rebuild engine...should I take the ground wire attached to the Dr. side of the engine and scrape of the paint? I thought the thread of bolt itself already have enough contact to provide good ground...
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Old Sep 26, 2002 | 01:42 PM
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Default Re: HELP, Electrical Problem? (VQT88Vette)

The fuseable links are just wire but they are a smaller guage wire that is designed to "burn out" in the event of a severe overload or short circuit. They are hooked right to the starter where the big wire goes. To test them .......a good (and basic) way is to pull on them a little...... if they are burned they will stretch because the metal will be gone and you are stretching the insulation. you can use a meter also but they are in a place that's hard as hell to get to. If I remember corrctly from this morning's posts you are looking for a red one and there are two . These are the OTHER wires bolted to the starter with the battery wire.......... :seeya
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Old Sep 26, 2002 | 01:55 PM
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Default Re: HELP, Electrical Problem? (vettmech)

Looks like I can't troubleshoot the problem today or tomorrow. It began to rain here in NJ and PA:(. The car is parking outside.
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