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Shut off when brakes applied


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waitaminute94
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Nov 7, 2012, 3:50 PM

Post #1 of 18 (1183 views)
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1994 Saturn sl1, 177,000 mi,1.9L, 4cyl, 4dr.
My 94 Saturn still shuts off whenever I apply the brakes. I have checked for vacuum leaks, checked the booster, and even the wiring in the dashboard since I had a new cluster put in before all this started happening.
I was told it is probably something electrical, since it shuts down the engine only when I apply the brakes. Sometimes both blinker lights come on (on the dashboard) when I step on the brakes.
To make matters worse I even started out with a empty gas tank, and started afresh with the new winter gas from Wawa, and before I could even get off the lot, the car would not even start unless I pumped it 100 times to get it going and then when I got on the highway,I had to open it up and let all old fumes and gas out.
But the gas definitely created some new problems, am I close to solving these problems?


Hammer Time
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Nov 7, 2012, 5:15 PM

Post #2 of 18 (1156 views)
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Do you mean that if you just coast to a stop it won't stall?




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waitaminute94
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Nov 7, 2012, 6:51 PM

Post #3 of 18 (1142 views)
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That is correct.


Hammer Time
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Nov 7, 2012, 7:04 PM

Post #4 of 18 (1137 views)
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That would tend to indicate some type of short in the brake lights. You might try unplugging the brake light switch to see if it still stalls.




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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



waitaminute94
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Nov 11, 2012, 3:47 PM

Post #5 of 18 (1099 views)
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I no looking at a part doesn't make it good or bad, but It seems as though a piece ( bushing, maybe) may have broken or fallen off the spring loaded plastic cylinder and it disengages from the flat platform when the brakes are applied.Could this be the problem and is there a replacement part?
I'm going to try and unplug to see what happens.

I did unplug and tested to see if it would shut when applying the brake and it didn't.
So I know I need to replace the switch.
Thx
Cool

PS about that winter gas, is there a quick solution to that?


(This post was edited by waitaminute94 on Nov 11, 2012, 10:46 PM)


Hammer Time
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Nov 11, 2012, 3:49 PM

Post #6 of 18 (1096 views)
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Well, why don't you unplug it and find out as I suggested.




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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
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Nov 12, 2012, 7:41 AM

Post #7 of 18 (1079 views)
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Quote">>PS about that winter gas, is there a quick solution to that?<<" Many formulation of gas exist. Near sure the idea for winter formulations is to be more volitile when cold than another formula and shouldn't be THE issue at all,

T


waitaminute94
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Nov 12, 2012, 1:07 PM

Post #8 of 18 (1066 views)
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Okay Hammer, I did as u suggested and your test proved
correct, so i replaced the switch with a brand new one.
Same problem, only more pronounced. $20 (bucks) I can't get back. Anymore bright ideas? Smile


Hammer Time
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Nov 12, 2012, 1:18 PM

Post #9 of 18 (1060 views)
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Quote
$20 (bucks) I can't get back. Anymore bright ideas?


Don't take a tone with me or you can fix this yourself. Nobody told you to replace the switch. You were told to unplug it for a test. The test proved my theory that the electrical draw from the brake light circuit is pulling from something that it shouldn't be.




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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Nov 12, 2012, 3:28 PM)


waitaminute94
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Nov 12, 2012, 3:08 PM

Post #10 of 18 (1053 views)
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No Tone Big Man, You Just took it wrong.Unsure


Discretesignals
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Nov 12, 2012, 8:18 PM

Post #11 of 18 (1037 views)
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Just wondering, but could this be a bad ground? Turning the brake lamps on causes the fuel pump to quit since they probably share the same ground pack in the rear?








Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Nov 12, 2012, 8:20 PM)


nickwarner
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Nov 12, 2012, 9:45 PM

Post #12 of 18 (1028 views)
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Thats worth a close look and a voltage drop test or so. I know the Rangers share grounds on the fuel pump and the taillights, and have seen one that would misfire and stall when the lights were turned on. Ford sure had some funny ways of wiring up circuits. Put a fuel pressure gauge on this and run the car. Have someone hit the brakes and see what happens to your pressure.


Hammer Time
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Nov 12, 2012, 10:00 PM

Post #13 of 18 (1024 views)
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Careful.................. you don't want him to waste another $20




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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Discretesignals
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Nov 12, 2012, 10:11 PM

Post #14 of 18 (1019 views)
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$20? A match would be cheaper...LOL





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


waitaminute94
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Nov 12, 2012, 10:18 PM

Post #15 of 18 (1011 views)
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LOL SmileSmileSmile

I would've preferred to donate the $20 to U guys, instead of wasting it on a toy part that broke before I got it right. Pirate


(This post was edited by waitaminute94 on Nov 12, 2012, 10:41 PM)


waitaminute94
User

Nov 30, 2012, 1:23 PM

Post #16 of 18 (932 views)
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  post locked   Re: Shut off when brakes applied [In reply to]  

Thanks for the exploded view of area to be focused on.
Now that i have confirmed that this is the problem, is there a remedy/solution/part to cure this problem for good?
I tried taking as much slack and movement out by using electrical tape, but it only lasted for a day.

Thx


waitaminute94
User

Dec 1, 2012, 5:51 PM

Post #17 of 18 (909 views)
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Thanks for the silent treatment, it really motivated me. Problem resolved. 94 Saturn runs like a champ now.
How do i make a Donation?


Hammer Time
Ultimate Carjunky / Moderator
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Dec 1, 2012, 5:57 PM

Post #18 of 18 (904 views)
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You were warned about your sarcastic mouth once already. We donate our time here that normally sells for $100 per hour during the day just help help people out. We don't and won't take any crap from people. Think about that at the next forum where you ask for free help.




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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.





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