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Old 12-07-2011, 10:40 AM   #1
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Won't Crank

My rx8 has recently randomly not been starting. When this happens the starter will not crank or even click. I assumed the problem was a starter relay, and replaced that, but still no crank. Battery charge is good, so unless i'm missing something the problem would be the starter?
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Old 12-07-2011, 10:51 AM   #2
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What is the voltage at the battery? If you don't have one Harbor Freight add I saw one free...

Last edited by Old Rotor; 12-07-2011 at 11:00 AM.
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Old 12-07-2011, 10:58 AM   #3
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Not at home to test it atm, but the first thing i did was put a charger on it, and it read full charge. I can put a voltage meter to it tonight after i get out of work.
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Old 12-07-2011, 11:00 AM   #4
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When it simply doesnt start, do you have battery power to other stuff like lights, dash, etc?

What makes it then start later?
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Old 12-07-2011, 11:04 AM   #5
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If you have corrosion on your battery terminals or starter connection ...it could be your starter..
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Old 12-07-2011, 11:35 AM   #6
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You should probably check the start solenoid clip first, if it's loose, it's likely intermittenly loosing contact, it could have come in contact with debris from the road.
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Old 12-07-2011, 11:40 AM   #7
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When it simply doesnt start, do you have battery power to other stuff like lights, dash, etc?

What makes it then start later?
Lights, dash, radio all work fine. As for when it would actually start, it was totally random, and i have not been able to start it in a week or so now.
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Old 12-07-2011, 11:41 AM   #8
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If you have corrosion on your battery terminals or starter connection ...it could be your starter..
No corrosion on starter, there was corrosion on battery terminals i cleaned off though.
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Old 12-07-2011, 11:52 AM   #9
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So you have battery power, but the starter isnt turning over. It's going to be the starter itself or something that feeds power to the starter. Do you have a multimeter you can crawl under the car with and check for voltage between the starter connection and ground? If it's getting power with the key to start, then it's your starter. If not, then fuse, relay, etc...
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Old 12-07-2011, 12:01 PM   #10
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So you have battery power, but the starter isnt turning over. It's going to be the starter itself or something that feeds power to the starter. Do you have a multimeter you can crawl under the car with and check for voltage between the starter connection and ground? If it's getting power with the key to start, then it's your starter. If not, then fuse, relay, etc...
I replaced the starter relay so i would assume its not the problem and the fuel pump runs when i turn the key to start, so i would assume its good as well.
I can borrow a multimeter from work and start checking voltages at the starter/solenoid and check to see if any connections are loose tonight.
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Old 12-07-2011, 12:26 PM   #11
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Is it an auto? Could be a neutral switch problem.

Easy way to check if the prob is in the actual solenoid and motor is to bypass the relay.

FIRST ensure if it's a manual it's out of gear!

Check the 30 amp 'ACC' fuse, this supplies starter solenoid power.

Ignition OFF, pull the starter relay from the fusebox, then use a wire jumper to join the two large contacts in the bottom of the relay holder - this bypasses the neutral swith, clutch switch, security block, everything.

The car will either turn over or not. (won't start)

If it turns over, it's a switch, if it clacks loudly but no spin it's the starter motor, if it's just eerily quiet, it's the starter solenoid.
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Old 12-07-2011, 03:03 PM   #12
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No corrosion on starter, there was corrosion on battery terminals i cleaned off though.
You did take them both off and clean the contact surfaces and retighten.....correct? Dusting off the top of the terminals does nothing. You might snap open the caps and check if distilled water is needed .....if it's near the top of plates.
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Old 12-05-2012, 03:46 PM   #13
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Wont Crank...

Quote:
Originally Posted by StealthTL View Post
Is it an auto? Could be a neutral switch problem.

Easy way to check if the prob is in the actual solenoid and motor is to bypass the relay.

FIRST ensure if it's a manual it's out of gear!

Check the 30 amp 'ACC' fuse, this supplies starter solenoid power.

Ignition OFF, pull the starter relay from the fusebox, then use a wire jumper to join the two large contacts in the bottom of the relay holder - this bypasses the neutral swith, clutch switch, security block, everything.

The car will either turn over or not. (won't start)

If it turns over, it's a switch, if it clacks loudly but no spin it's the starter motor, if it's just eerily quiet, it's the starter solenoid.
Im having the same issue, however when i bypass the solenoid the motor did not crank but can here the starter spinning.
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Old 12-05-2012, 03:46 PM
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