If yours has one that is where I would look. The year sure would help! 
No Start !!!
Thread Starter
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Joined: May 2012
Posts: 92
Likes: 3
No Start !!!
I turn the key and nothing happens, wait a few minutes and it starts sometimes. I bypassed the VATS system years ago with a plug and play bypass it's never been an issue so I would rule that out. We tested the starter and it is fine. The one thing we did notice is that when you turn the key to the on position there was no power getting to the starter. Car would not start last weekend had it towed to a friends shop where it sat for a couple of days he tugged on the wiring harness behind the battery and it started, not sure if this was the answer but i have it home and started it a few time with no issues yet. Tomorrow I will see if if starts but I was wondering if anyone came across this problem before ?
Burning Brakes
Joined: Jun 2014
Posts: 1,020
Likes: 51
From: Connecticut
Little more info would help us out.
What year is the car?
Auto or manual?
Do the dash lights and interior lights stay on when you turn the key to the start position or do they dim or go out completely?
Does the starter relay click when the key is turned to the start position?
Have you cleaned the battery posts and tightened the battery connectors?
Has there been any recent work done to the car?
What year is the car?
Auto or manual?
Do the dash lights and interior lights stay on when you turn the key to the start position or do they dim or go out completely?
Does the starter relay click when the key is turned to the start position?
Have you cleaned the battery posts and tightened the battery connectors?
Has there been any recent work done to the car?
Thread Starter
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Joined: May 2012
Posts: 92
Likes: 3
Little more info would help us out.
What year is the car? 1986
Auto or manual? automatic
Do the dash lights and interior lights stay on when you turn the key to the start position or do they dim or go out completely? No
Does the starter relay click when the key is turned to the start position?
No
Have you cleaned the battery posts and tightened the battery connectors?
yes
Has there been any recent work done to the car?
What year is the car? 1986
Auto or manual? automatic
Do the dash lights and interior lights stay on when you turn the key to the start position or do they dim or go out completely? No
Does the starter relay click when the key is turned to the start position?
No
Have you cleaned the battery posts and tightened the battery connectors?
yes
Has there been any recent work done to the car?
Race Director
Joined: Mar 2015
Posts: 15,926
Likes: 579
Melting Slicks
Joined: Aug 1999
Posts: 2,240
Likes: 42
From: Baltimore, MD USA
The starter motor requires 12 volts for the start motor which comes from a direct connection from the positive terminal of the Battery.
When you turn the key to Start (Not On/Run) 12 volts from the ignition switch passes thru the Starter Enable relay which is located behind the driver information center and is closed/energized if the key pellet matches what the VATs decoder module is programmed for.
The 12 volts then goes thru the Park Neutral safety switch for an automatic trans or the Clutch Safety switch for a manual trans then to the Starter Solenoid terminal which is a Purple wire.
The Ground for the Start motor is the engine block which is connected by a cable from the engine block to the negative battery terminal.
If you don't measure 12 volts on the Purple wire when the ignition switch is in the Start position you need to find out why there is no 12 volts.
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Burning Brakes
Joined: Jun 2014
Posts: 1,020
Likes: 51
From: Connecticut
with all above. Need to know more than what you provided. If you answer the questions I asked before I am sure we can help you narrow the issue down. A car with 13K miles is not immune to electrical issues even if stored inside so that bit of info can be thrown out.
Thread Starter
Advanced
Joined: May 2012
Posts: 92
Likes: 3
Thread Starter
Advanced
Joined: May 2012
Posts: 92
Likes: 3
The starter motor requires 12 volts for the start motor which comes from a direct connection from the positive terminal of the Battery.
When you turn the key to Start (Not On/Run) 12 volts from the ignition switch passes thru the Starter Enable relay which is located behind the driver information center and is closed/energized if the key pellet matches what the VATs decoder module is programmed for.
The 12 volts then goes thru the Park Neutral safety switch for an automatic trans or the Clutch Safety switch for a manual trans then to the Starter Solenoid terminal which is a Purple wire.
The Ground for the Start motor is the engine block which is connected by a cable from the engine block to the negative battery terminal.
If you don't measure 12 volts on the Purple wire when the ignition switch is in the Start position you need to find out why there is no 12 volts.
When you turn the key to Start (Not On/Run) 12 volts from the ignition switch passes thru the Starter Enable relay which is located behind the driver information center and is closed/energized if the key pellet matches what the VATs decoder module is programmed for.
The 12 volts then goes thru the Park Neutral safety switch for an automatic trans or the Clutch Safety switch for a manual trans then to the Starter Solenoid terminal which is a Purple wire.
The Ground for the Start motor is the engine block which is connected by a cable from the engine block to the negative battery terminal.
If you don't measure 12 volts on the Purple wire when the ignition switch is in the Start position you need to find out why there is no 12 volts.
Team Owner
Joined: Aug 2004
Posts: 21,543
Likes: 3,216
From: Park City Utah
Hooked On Vettes gave you the path of continuity from Batt/ignition to starter. All you need to do is get out a meter and start testing. Easy.
