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Topic: Won't start again

in Forum: C3 Electrical


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Won't start again (1/8)
 8/8/20 7:37pm
Christian
Former Member

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Houston, TX - USA

Vette(s):
1971 LS5 Convertible 4 sp


Joined: 2/25/2003
Posts: 193

I assume the cause is of electrical nature.

The starter never gave me any trouble so far. But the engine won't start and this is not the battery. I went for a drive, came back home for a quick stop and wanted to leave again. Engine is hot, but not too hot. The starter does not move nor make any noise whatsoever. Again, the battery is fine.

I thought of the fusible link, so I lifted the car to sneak underneath: A visual inspection does not tell me much: All connections look OK and the fusible link does not show any sign of heat.

Any clue at where I should look?

 

 

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Re: Won't start again (2/8)
 8/8/20 9:56pm
F4GaryGold Member
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.


Joined: 8/26/2006
Posts: 1407

After it cools down, does it crank?



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Re: Won't start again (3/8)
 8/9/20 12:24am
Christian
Former Member

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Houston, TX - USA

Vette(s):
1971 LS5 Convertible 4 sp


Joined: 2/25/2003
Posts: 193

I wish! But no, it won’t

Re: Won't start again (4/8)
 8/9/20 12:56pm
Christian
Former Member

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Houston, TX - USA

Vette(s):
1971 LS5 Convertible 4 sp


Joined: 2/25/2003
Posts: 193

In fact it does.

10-11 years ago, I had this issue: It won't start when hot. I had to wait until the engine cooled down about 20-30 minutes before it cranked again. I ended up changing the solenoid if I recall correctly.

So, yesterday, I tried to start it after 30 minutes, one hour, etc. without success. Even after three hours.

But this morning, it did start easy. Like magic!

Would be the solenoid again?

Re: Won't start again (5/8)
 8/9/20 5:55pm
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2381

Wrap the starter with a heat shield. Sounds like it is getting to hot. Do you have headers or a B Block? 



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Re: Won't start again (6/8)
 8/9/20 10:14pm
NorskyLifetime Member
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West Burke, VT - USA

Vette(s):
SOLD - "The Toy" - '70 Convertible
SOLD - "The Beast" - '90 ZR-1 (#682)
SOLD - "Betty" - '28 Ford Model A Tudor
Still have - "BLKBRRD" - '78 Pontiac Trans Am


Joined: 1/23/2002
Posts: 7189

LS5 tells me there's a 454 in that '71.  LOTS of heat there even without headers.  Mark is on the right path - you need to shield the starter somehow (wrap the pipes, put a heat shield around it, etc.).  Another option would be to replace the starter with a new mini one.  Their smaller size allows more airflow around it plus they crank like a son-of-a-gun...!!!



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Re: Won't start again (7/8)
 8/10/20 12:26pm
VetteCountryLifetime Member
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Belvidere, IL - USA

Vette(s):
1977 Black T-Top ZZ4 5Sp 16in Wheels


Joined: 10/24/2004
Posts: 436

One other possibility, clutch switch 

Re: Won't start again (8/8)
 8/10/20 8:04pm
danascar
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Germansville, PA - USA

Vette(s):
1974 Coupe 358ci 4 speed Black w/Medium Saddle interior w/79 custom leather seats. . 1999 C5 Convertible, 6 speed, Atomic orange, Oak interior.


Joined: 1/28/2010
Posts: 858

Good chance your solenoid is bad on the starter. Sometimes a rap on the starter will make the connection so it will crank. Not a cure but will get you going and tell you for sure the solenoid is bad. 



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DanT

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