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Possible Main Relay?

 
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Old 08-06-2008, 09:59 AM
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Possible Main Relay?

This morning or a couple hours ago. I got in my car to head to work. I turned my key and my wipers on [it rained through the night] and everything stopped. Wipers in the middle of my windshield and no crank whatsoever.

So immediately I thought battery. I was due for one anyway since I haven't replaced it since I bought the car. So I walk to pepboys and buy a reptop :). Come home put it in. My alarm is louder, lights brighter and I'm happier.

I get in the car thinking I'm heading to work turn my key on the "on" and the lights are halfass on and I'm hearing this buzzing coming from around the cruise control/sunroof switches. So I'm thinking there's a short somewhere maybe possibly. So I give it another go and all the lights come on fine, radio comes. I goto crank and the buzz is back along with no crank at all.

Obviously I'm not a work and I need to be. Could it be the main relay?

I need help ASAP guys!!!!!!
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Old 08-06-2008, 10:02 AM
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Re: Possible Main Relay?

Check your relays and fuses first off. Is the wiper problem still there along with that buzzing noise?

It sounds like you are saying that there is a buzzing noise and that the car will not start, or crank over, if I gathered everything right. It sounds like a short due to the fact that all your electronics are half a$$ed and the problems from before, but that buzzing noise is weird, im trying to think about what that could possibly be other then a motor not working...
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Last edited by OEM~KaOs; 08-06-2008 at 10:05 AM.
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Old 08-06-2008, 10:04 AM
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Re: Possible Main Relay?

Wipers work, radio work, lights work. Pretty much all electrical works. It's just won't crank at all and the buzzing is still there.
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Old 08-06-2008, 10:08 AM
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Re: Possible Main Relay?

So I would personally rule out the short idea unless there is a short or alot of resistance at the starter, hence the reason it wont even crank over. And you say the buzzing noise is coming from the dash right behind the sunroof buttons on the left hand side there? Have you opened your hood to see if you can hear it from inside there? can you hear the noise and pin point it to a more direct location, maybe get underneath by the pedals and see if there is anything up there that is making some funky noises
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Old 08-06-2008, 10:24 AM
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Re: Possible Main Relay?

Maybe starter solenoid?
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Old 08-06-2008, 10:28 AM
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Re: Possible Main Relay?

I'm leaning towards an issue with the starter since it will not crank over, I would check the wiring to the starter with a DVOM, or check to see if the starter is even doing anything, lol. If there is a short or anything wrong with the wiring, you will be able to tell right away, and since there is nothing happening when you turn the key besides that buzzing noise, which still confuses me...
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Old 08-06-2008, 10:33 AM
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Re: Possible Main Relay?

I think the buzzing is my alarm. I went to unlock it and it did a double up second beep and didn't unlock my doors. I HAD TO USE MY KEY! ha.

I'll jus unplug & replug the starter and see what happens.
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Old 08-06-2008, 10:35 AM
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Re: Possible Main Relay?

Ok now she's up and running. Cuts off and turns on fine now. Maybe I should invest in a new starter also. Grrrr!

Thanks for the deductive reasoning help. :thumbup:
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Old 08-06-2008, 11:04 AM
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Re: Possible Main Relay?

No problem man, It's usually something simple, it just takes a little while to think thru it and step back to see what it is. Glad I could point u in the right direction
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Old 08-06-2008, 04:06 PM
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Re: Possible Main Relay?

Ok so after 5hrs or so. I tried to randomly start it before I leave work.

Samething has just happened. A click from the starter area. Then after 10minutes or so it cranked right over and continued to do so. I'm seriously thinking it's the solenoid. The thing that is getting me is that buzzing noise when the car doesn't start coming from the sunroof/cruise button area. The Main relay is located there correct?
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Old 08-06-2008, 04:23 PM
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Re: Possible Main Relay?

Ummm...I don't think it is to be honest, but I'm not 100% sure....

Maybe it's the connections TO the starter, try disconnecting and reconnecting again. Also, maybe the wires have too much resistance or something, you could try different wires. Other then that, I would check out the starter solenoid, which is what it sounds like it could be
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Old 08-11-2008, 05:07 PM
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Re: Possible Main Relay?

I figured out what it was. A DIRTY POSITIVE TERMINAL!

god. So simple, but completely overlooked it. :(
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Old 08-12-2008, 09:27 AM
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Re: Possible Main Relay?

Awesome, if it happens again and if you drive a stick, on the clutch pedal there is a little button that allows the car to start only when the clutch is pushed in. Id check that, i had a problem like yours, had to push start her for a week before i could figure out the problem
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Old 08-12-2008, 05:36 PM
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Re: Possible Main Relay?

Quote:
Originally Posted by bdizzel124 View Post
Awesome, if it happens again and if you drive a stick, on the clutch pedal there is a little button that allows the car to start only when the clutch is pushed in. Id check that, i had a problem like yours, had to push start her for a week before i could figure out the problem
Yea I was wondering about that.

Since I bought the car. I notice I don't have to push the clutch in to start her. Another odd thing about the previous. Had am auto start put in. so If I leave the car in gear and start it. lol. oh boy. good times.
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Old 12-06-2008, 12:52 PM
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Re: Possible Main Relay?

im having a similar problem......i've replaced my starter and battery (both were bad) but my car only cranks..you can hear the starter working and my belts spin..it just wont fire..could it be the main relay?
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Old 12-07-2008, 12:12 PM
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Re: Possible Main Relay?

Maybe someone already posted, I had to read fast as its about lunch time at work. I had a main relay problem in my 2nd Gen. But one way I determined it was the relay that when I turned the key I didn't hear the fuel pump cut on, should hear a little humm from the pump turning on, if you don't hear that when you turn the key on, I'd say 99.9% sure its the main relay.
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Old 12-07-2008, 03:00 PM
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Re: Possible Main Relay?

Quote:
Originally Posted by Rob View Post
Maybe someone already posted, I had to read fast as its about lunch time at work. I had a main relay problem in my 2nd Gen. But one way I determined it was the relay that when I turned the key I didn't hear the fuel pump cut on, should hear a little humm from the pump turning on, if you don't hear that when you turn the key on, I'd say 99.9% sure its the main relay.
but what if u can still hear your fuel pump for 2 seconds as it turns on, could it still be the main relay?
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Old 12-07-2008, 06:07 PM
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Re: Possible Main Relay?

Sadly I don't think so unless it is starting to fail. That thing is not cheap either, go to Autozone and ask them what the resistance of that thing is supposed to be, and measure yours, or ask them to pull one from stock and measure that one then measure yours to see if it is the same value, thats one way of checking it.

Hope that helps
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Old 12-07-2008, 06:19 PM
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Re: Possible Main Relay?

well hey look at my thread, i took out my relay look at the pic

http://preludezone.com/showthread.php?t=14377
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