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08-08-2017
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#1 |
 Join Date: Jan 2007
Location: Florida
Posts: 241
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No Start
Here we go again. No Start.
By passed cutch, no start Hooked voltmeter 12.6v hit start switch voltage drops to 11.8v. No sound of the solenoid. Before I pull the plennum again am I right to suspect the solenoid (starter)? It's a '92 with 37k Thanks Jim |
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08-08-2017
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#2 | |
  
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,788
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Re: No Start
Quote:
Solenoid could be stuck or not moving if no click (or moving very slowly). Remove Starter and recondition Solenoid and then BENCH TEST STARTER. Actually Bench Test Starter before you recondition to diagnose the issue.
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Left Clickable links  -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS Last edited by Dynomite; 08-08-2017 at 08:27 PM. |
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08-08-2017
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#3 | |
Join Date: Feb 2012
Location: Ledyard,CT
Posts: 7,992
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Re: No Start
Quote:
Bad battery! |
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08-09-2017
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#4 |
 
Join Date: Aug 2005
Location: Northridge, CA
Posts: 1,445
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Re: No Start
Even with a voltage drop to 11.8 I think you'd still hear
something from the starter. Maybe dumb, but I'd still try depressing the clutch and give it a try. I've also heard of getting a wooden stick and slipping it behind and underneath the plenum until you feel the starter and give it a good whack. Will the car push start? Good luck! Ted |
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08-09-2017
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#5 |
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Join Date: Feb 2012
Location: Ledyard,CT
Posts: 7,992
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Re: No Start
A good battery should have 14v ; 11.8v will not start Car!
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08-09-2017
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#6 |
 
Join Date: Nov 2016
Location: Norway
Posts: 397
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Re: No Start
14v with engine running, yes. 12.7v is fully charged with engine off. If it drops to 11.8v when attempting to start, something (the starter) is either drawing lots of current, or battery is faulty.
Sent from my MIX using ZR-1 Net Registry mobile app
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- '90 ZR-1 |
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08-09-2017
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#7 |
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Join Date: Aug 2016
Location: Spring Hill, FL
Posts: 127
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Re: No Start
Splice into the 12ga Purple wire near the brake booster , touch it to the positive on the battery . Sometimes it will spin over , if it doesnt then you have starter issues !
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08-09-2017
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#8 | |
 
Join Date: May 2007
Location: Westminster, Maryland
Posts: 3,687
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Re: No Start
Quote:
Yes suspect the starter. The solenoid is drawing current but the starter isn't turning. Jim V
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If it isn't fun, you aren't doing it right! 1990 Black ZR-1 - sold 1993 Quasar Blue ZR-1 1994 Competition Yellow ZR-1 1995 Dark Purple ZR-1 Maryland State Coordinator WAZOO Member |
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08-09-2017
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#9 |
Join Date: Mar 2015
Location: New Zealand
Posts: 380
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Re: No Start
Hi 11.8v while trying to crank the engine is ok the voltage will probably drop even more once the starter motor is turning the engine over as someone else suggested I would get the solenoid wire and power it up. the engine should turn over if not the starter motor will need repairing also check your earth and all connections
You can use your volt meter and look for voltages drop. When you get it all back together I would suggest you fit a slave solenoid to drive the starter motor solenoid this gives the solenoid a hard hit of power if you have any questions hopefully I can help one other thing to try is to rock engine back and forward if the pinion stuck in gear this will free it up Regards Glen Sent from my SM-G930F using ZR-1 Net Registry mobile app |
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08-10-2017
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#10 |
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Join Date: Jul 2016
Location: Greater St. Louis
Posts: 478
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Re: No Start
Your voltage is pretty low, probably not enough to start the car. But let us know how it turns out.
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Linear Mode
