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Car new battery but no power all

No power only radio and alarm i think there is a wire missing from the positive battery terminal i have 2 thick wires is there also a thin red wire

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If you have security on the vehicle it might have you locked out. If so unhook the battery and start over, hook the ground up first and the positive up last ( sometimes we have to do this to reset the security)
if this still has no effect the look at the ground wire, if the radio works then the battery is making a connection through the small ground wires so check the large wire for starting.

Posted on Nov 27, 2013

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Posted on Jan 02, 2017

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SOURCE: radio problem... need a memory set to the radio

Use a 12 volt DC test light, or a DC voltmeter & probe until you find one wire/terminal that has power constantly, whether key is on or off. That's the one to join it to, for your memory. Your radio power wire will go to the other unless you want to be able to have your radio working all the time when you turn it on, regardless of whether key is on,or accessory position, and if that's your preference, join it to same.

Posted on Nov 27, 2008

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SOURCE: its a brand new alternator and for some reason

there are a few small wires on the alternator and one is a feedback for the alternator to switch on and charge the battery.there is a fusable link which looks like a piece of wire,but it is a fuse and if your alternator was blown,or a jump start was done wrong,it could take out the fuselink and your alternator is not putting out voltage.get a diagram and check to make sure that all the voltages for feedback are ok

Posted on Jun 14, 2009

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SOURCE: starter wiring

if you talking about the wires at the starter then the small wire down athe starter will go to the S terminal on the starter ! hope this helps!

Posted on Aug 07, 2009

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SOURCE: need to figure out why car starts intermittently.

I had the same problem with a Tercel, it was the distributor cap had a non-visible hairline crack in it and allowed moisture in.... does it do this only when it rains or high humidity?

Posted on Aug 17, 2009

  • 488 Answers

SOURCE: alternator not charging battery on 2007 f-150

Replace the Alternator. Sounds like the internal brushes have worn out as you appear to have the correct feeds to it. If you are tempted to open the alt to have a look at the brushes, be careful as incorrect assembly can cause serious damage as can incorrect re-assembly. You can simply replace the brushes but I would advise against it as the copper rings the brushes rub on (the slip rings) will also be worn and require replacement, this is difficult if you do not have the experience. Also, the bearings should also be replaced as they will no doubt be worn too. Altogether a specialist job, so grab yourself an new or exchange alternator. if you have to get a second hand unit, have it tested BEFORE you fit it..

Posted on Dec 27, 2009

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1 Answer

Factory alarm wont turn off on a 2001 Chevrolet monte Carlo. Making honk go off till it drains battery.

Try shutting it off with the door key . Lock and unlock the drivers door with it.

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Battery is discharged

If she turns off the radio and the battery stays up, it is easy enough to fix. But I do not think enough power is used to completely discharge the battery overnight.

Intermittent shorts are very hard to find, so you really can not blame the repair facility for not being lucky enough to find the problem. It is really a hit or miss situation to catch the defect when it occasionally happens.

There are a few cheaper parts to guess with as causes. A bad ignition switch may not turn off when the key is in the off position. Relays for the ignition, fuel pump, or electric cooling fan may not release when the ignition is switched off. Rear defrosters will silently drain the battery.

What you are looking for is something which does not blow a fuse, yet uses enough current to kill the battery. Bad diodes in the Alternator can easily drain a battery, have the Alternator tested for Diode function.

Can't say how much power the Alarm system is suppose to use. It is one of the few systems which operates with the car turned off. Again, whether it can draw that much power in a short period of time is questionable.

You can get free wiring diagrams at after registering your car. They also provide Relay box diagrams.

You can safely use an Ohmmeter on the circuits when the battery is disconnected. The idea is that the positive and negative wire leads are suppose to be separate. If you find a positive wire that is letting the Ohmmeter ground to the negative side, you have found the short. The 2 charges do not mix in things that are turned off. It means that the positive wire is touching the frame somewhere or powering a lightbulb or electric device instead of breaking a fuse.

I hope my solution helps you. Since you paid someone to fix this and some States require at least 30 days for repair Warranties, take it back.

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Car won't start. Changed starter. Still wont start. This starter can not be checked when it is off the car.

Hi there?
Check that the battery is charged, you can do this by turning the lights on and see if they are bright as narmal.
There are 2 wires going to the starter motor, thick and thin wire. The thick wire is connected straight to the positive terminal of the battery. The thin wire is connected to the relay which is operated by the key. You can power the starter motor by powering up the terminal that the thin wire goes to. Make sure that the thick wire has positive loltage from the battery.

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1 Answer

Need pictures or exlanation of how to install a starter relay for

It's just an old Chevy starter! On that round starter solenoid, you will see two or three posts. One thick copper post, and one or two small
steel ones. The thick copper post you can't miss. It's about as thick as your little finger. The one, or two, small terminals, (Posts), are the thickness of a ball point pin refill.

You should have the Positive cable that comes down from the battery, connected to the thick post. There should -> also be two or three wires in a small wire loom, that connect to this post. This small wire loom will have a metal round terminal, that has a hole in it, large enough to go over this post. The battery cable goes on first, then this small wire loom terminal. Then a lock washer, and a brass nut.

If you have a solenoid with two small terminals, in the solenoid itself, next to the small posts, you may see -> ST,
and -> R. There should be a single wire, that comes down out of a wiring harness. It will have a round metal terminal end on it, and a hole in it, just large enough to slip over the small post. You want to connect it to the post with -> ST

All that is going on here, is that the solenoid is a magnetic switch.
If it wasn't present, you would have a thick wire, like that battery cable, going up to your ignition key switch. Instead you have a real small wire going to it.

Electricity for other circuits, like the lighting circuit, heat and air circuit, and so on, get their supply from the large solenoid post, also. That's what that two, or three wire, harness is for.

ST stands for Start. This is the Start side of the solenoid. R stands for Resistor. There was a wire used to connect to this small post, and it led up to a resistor mounted on the firewall, of older cars. These cars used a distributor with points in it. A wire went from the resistor over to the distributor.

Your solenoid may not have two small posts. It may just have one, with ST next to it, Or -> S

May 18, 2009 | 1996 Chevrolet Cavalier

1 Answer

1997 Jette won't start , turn key on & alarm goes off

I had the same problem. Mine was a battery issue. Enough power was getting through to turn on the accessories, but not enough to turn the starter. When this happened, the alarm would go off. The positive and negative terminals were extremely corroded, which disrupted the connection. Clean the insides of the terminals with a wire brush and you should be ok. Also check the condition of the battery. 

May 01, 2009 | 1997 Volkswagen Jetta

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What procedures do I take when removing and installing a new starter? 1991 lexus ls 400

Let engine cool down, remove battery terminals (negative first, then positve), remove starter. Install starter, install battery terminals (positive first, then negative), start and check for proper operation (no grinding noise or squeling).

Apr 03, 2009 | 1991 Lexus LS 400

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Need to change battery in my used Land Rover. I do not have the radio code to reprogram after I put in the new battery.

get some jump leads and another battery of car, connect the leads to the terminals after you have loosened them make sure they stay connected while you remove the battery this way the radio will remain powered and you will not have to put in the code

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2 Answers

91 dodge dynasty blower motor

trace the two wires by analyzing which power are you missing...

run a wire from the positive of the battery and put the red wire of the volt meter to it and place the black wire of the meter to the black that goes to the motor.

if there is 12 volts, you have a negative terminal to the motor.

if you dont have, then you dont have the negative terminal to the motor.

next transfer the wire from the positive terminal of the battery to the negative terminal of the battery.

now put the bllack wire of the meter to the wire and test the red /or blue wire that goes to the motor.

it should have a reading of 12 volts.

if there is no reading , then there is no positive 12 volt present on the blue/red wire.

from these test, you can know which wire does not have the power.

that is what you are missing..

tnx 4 using fixya,




you could have just missed the black wire to be screwed on the housing of the blower motor.

Jun 29, 2008 | 1991 Dodge Dynasty

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