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1995 Chevy Blazer still wont start

Tiny
ROBERTK1
  • MEMBER
  • 1995 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 100,000 MILES
Starter is good, ignition switch is good, I plugged a new Neutral saftey switch in and I still get nothing when I turn the key. What now?
Thursday, January 10th, 2008 AT 1:29 PM

11 Replies

Tiny
PEAR69
  • MECHANIC
  • 1,482 POSTS
Is this the same blazer that you posted three other posts on? I'll try to help, but please reply to this problem here, without starting a new question.
There is an in-line fuse somewhere in the ignition wire that leads to/or/from the starter solonoid. See if it's blown, also check your ignition fuse in your fuse block. Sometimes you cannot tell if the fuse is blown just by looking at it. Test it for continuity with a continuity tester.
When you say "I get nothing" when you turn the key, do you mean the starter will not engage? Or do you mean there is no electrical power anywhere--meaning--the lights on the dash do not light up and the fuel pump doesn't run?
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Friday, January 11th, 2008 AT 12:40 AM
Tiny
ROBERTK1
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  • 5 POSTS
Yes it is the same blazer. Wasnt sure how to repost on same matter this forum page is not set right. I cant find where the relay or the inline fuse from the solonoid> I checked the ignition fuse and changed it for good measure. Whan I use a test light I get nothing even while cranking. Also the yellow wire that is in the ignition switch gives me nothin. When I tried to jump the starter from 12v to the solonoid switch the starter just spins and doesnt engage the engine. Also I do have full power every where else, Just wont crank.
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+2
Friday, January 11th, 2008 AT 10:35 AM
Tiny
PEAR69
  • MECHANIC
  • 1,482 POSTS
A test light is not a continuity tester, it is a voltage tester. In order for you to do any kind of electrical work on an automobile you must purchace a continuity tester. They are not expensive, and will help you find the problem a lot faster. Just because a fuse is new DOES NOT mean that it is good. Test it for CONTINUITY.
If you jump out the starter and it just spins--without engaging the engine--then the starter is probably bad. Take it out and have it tested at autozone or a place that will test it for free.
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Friday, January 11th, 2008 AT 6:02 PM
Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
Sounds like you probably have 2 problems. Like pear69 said your starter motor is no good first of all. Then did you say you replaced the ignition switch? No power at the yellow wire at ignition switch indicates bad ignition switch or one of the red battery feeds to the ignition switch is not feeding 12v to ignition switch.
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-1
Friday, January 11th, 2008 AT 6:15 PM
Tiny
ROBERTK1
  • MEMBER
  • 5 POSTS
I had already took it to autozone before your reply 2day. I even wathed it in the machine and have the read out. Just put it back in will test it again 2morrow. I did change the ignition switch brand new out the box nothing to the yellow. Have tested other wires and the test rite. By the way I know the diff of test lite and continuity test I thank the both of u for ur help I will be back at it brite and early 2morrow. Gonna have to follow each wire all the way to find this problem. I wont let it beat me or us!
Again thanx!
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Friday, January 11th, 2008 AT 7:33 PM
Tiny
PEAR69
  • MECHANIC
  • 1,482 POSTS
Don't give up--Don't ever give up!
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Sunday, January 13th, 2008 AT 3:08 AM
Tiny
ROBERTK1
  • MEMBER
  • 5 POSTS
Hooked up to the computer diagnostic today and it said pass no code. Ok then computer why is my ride not starting?
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Tuesday, January 15th, 2008 AT 11:41 AM
Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
THE STARTER CIRCUIT UNFORTUNATELY DOES NOT STORE ANY CODES. YOU MUST DIAGNOSE THE OLD SCHOOL WAY, WITH A TEST LIGHT.
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Tuesday, January 15th, 2008 AT 11:48 AM
Tiny
PEAR69
  • MECHANIC
  • 1,482 POSTS
Check fuse number 8 on your fuse block. It is a 10 amp fuse. This fuse is called the crank fuse and it fuses the yellow wire. The yellow wire goes to your transmission range switch. From there, it changes color and turns to purple. The purple wire goes from the trans. Range switch--to the starter relay. It connects to the holding coil inside of the relay itself. This coil has a ground. The ground is a black wire, make sure the ground is good. The starter relay is located in the underhood relay center.
Check the 40 amp fuse at the underhood relay center fuse number 6, I believe. This fuse supplies power to the red wire that leads to your ignition switch, and power to the red wire that leads to your starter relay. Remember to check all fuses for continuity not voltage!
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-1
Tuesday, January 15th, 2008 AT 6:08 PM
Tiny
ROBERTK1
  • MEMBER
  • 5 POSTS
It was the ignition lock cylinder. Some how it shifted and the key wouldnt go far enough to actuate the ignition switch. It wasnt to noticable until the they took the steering wheel apart.
So now we are up and running, they just modified it no new lock. Thanks for all ur help.
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Sunday, January 20th, 2008 AT 8:27 PM
Tiny
PEAR69
  • MECHANIC
  • 1,482 POSTS
It sucks that you had to go through that- for that, but you did learn a lot about your electrical system. Glad ya found the problem. Good luck. :)
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Monday, January 21st, 2008 AT 2:59 AM

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