Having problems with your Dodge Intrepid ?

2001 dodge intrepid. have new alternator and battery. Car has run fun until recently. The battery would be drained. I could charge the battery, and it would run fine for a few days. Now, the battery seems to have a charge, but when I turn the ignition, the brake lights and parking lights flash, the horn honks on and off, and the car will not start. I can hear a clicking noise under the drivers side dash when the key is engaged.

Posted / edited by AnonymousUser on : 19-02-2018

Answers :

Yes the battery is too low to start the car but as the altenator was put on something was making it not work. Your current problem is the alarm is going off and it won't start until it's turned off with the battery low your not going to be able to do that so get the battery charged ort get another oner that is. Once the new battery is installed ( the old one was out for awhile ) it might start right up. If it does it's likly that the altenator is'nt working as this is the orginal problem. The computer is the regulater that the altenater uses to charge the battery. The altenator may have been good and the one you have now might be good also. You need a voltage meter and a test light to find the problem and even verify that you don't have a problem. Volt meters are 10 bucks at the store and test lights start at a dollar and go much higher. a cheap one will do. with the car running test the battery voltage it should be 13.5 to 14.5 volts not more and not less. With the car shut off the battery should read nearly 13 volts and if it sits a while it should read 12.5. ( if it's good and charged) If it's running and doing these numbers it's OK and your done, Except you need to check to see if something is staying on. With the doors closed and the key in your pocket ( not in the switch) ( or the door). I do this with the window down as the car sometimes will lock it'self shut and you'll be locked out. dis connect one battery cable and connect the test light between the battery and the cable if the light lights brightly you have a draw. If you reci=onnect the battery and the alarm goes off the car thinks it's being stolen and you need to reassure it that your supposed to be doing this and turn the alarm off it's in the owers manul but nobody needs to resd them or they do and lose then or leave them where they can;t get to htem whaen they need them. With the alarm going off lock the drivers door two times with the key. Center to the left and again center to the left. I did'nt say to the right now unlock the door center to the right , and again center to the right. the alarm should shut offf. If the battery is low this might not work. With the alarm off and the door unlocked get in and start the car. ( if you don't the car will aqgin think it's being stolen and turn on the alarm in about a minute.) Now it's reset and should be back to normal. If you've got it [programmed to auto alarm it'll go back to alarm mode after one minute no matter and you always have to unlock the door even if it's unlocked. Back to the charging system that's not working. you ran it and the voltage was lower than 13 with it running ( that's not charging ) The altenator can be bad but you said you put in a new one. So you take the test light and connect the clip to the negative on the battery and touch the probe to the big post on the back of the altenator, Theirs a rubber cover on the back of some of them and it'll have to be moved out of the way so you can touch it and if it lights the light it's connected to the battery if not the fuse is blown or the wire from the altenator to the battery is broken somwhere ( they break commonly right at the battery connection to the cable and only the starter ware is making a connection. If its good with the key on and the plug on the altenator unplugged one wire will have power ( in the plug ) (Not the altenator) the other wire will be groung ( connect the test lights clip to the battery positive and the light will light anytime it trouches ground) this other wire will be ground ( the engine must be running). If theirs power and ground and the big wire is the same as the battery ( all the time) then the altennator is bad get and install another one. if you got the power but not the ground the computer is bad and you should have it tested and then if tested bad replace it. Does the check engine light come on with the engine running? If it does a scanner needs to be connected t the car and the codes revealed dianosed and fixed.
Repair Help & Product Troubleshooting for Dodge Intrepid

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