Question about 2007 Dodge Ram 2500 Mega Cab Laramie

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07 dodge 6.7L check gauges light- alt not charging

Check gauges light on, alt not charging. 2-3 days at a time. Then works again.Then engine light came on. checked that and found code P2609. I don't know if that is related to alt problem or not

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  • 162 Answers

Check the alternator make sure it is good,if good,then ground wire to light is shorting some where,probably
pinched some where,have you done some work to car recently? that could be why

Posted on Apr 15, 2014

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 512 Answers

SOURCE: check engine light

oil pressure too low...it must remain above 23.2 psi for the multi displacement system to work...it could be any thing from low or incorrect oil to a powertrain controller..you may need the dealerships help

Posted on Nov 24, 2008

Molson02536
  • 3854 Answers

SOURCE: Check engine light

A multi misfire may mean that one or more of the following has happened:
Faulty spark plug or wires, Faulty coil (pack), Faulty oxygen sensor(s), Faulty fuel injector(s), Stuck/blocked EGR valve / passages, Faulty camshaft position sensor, Defective computer.

The engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wire, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the the problems were faulty fuel injectors. 

Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.

Good luck and hope this information helps, keep me posted, be glad to help you get the truck running 100% again. Not sure if your running a K&N air filter, and if you are there may be a flim of oil on the MAF sensor that is making you run lean. You may want to spray down the MAF sensor with a can of MAF cleaner. 

Posted on Jul 02, 2009

  • 2 Answers

SOURCE: I have 2 lights on..ABS and Check Engine. My

P1775, Transmission system silnoid

Posted on Oct 21, 2009

  • 412 Answers

SOURCE: Check Engine Light on, codes P0605 and P0700

P0700 IS A CODE SAYING THAT THERE IS FAULT IN TRANS CONTROLLER..P0605 IS AN INTERNAL ERROR IN TRANS CONTROLLER..ACCORDING TO TEST,TRANS CONTROLLER MUST BE REPLACED

Posted on Feb 16, 2010

  • 434 Answers

SOURCE: 2004 Dodge Ram 1500 5.7L at start up check gauge

Sounds like the oil pressure sending unit needs replaced.

Posted on Apr 26, 2010

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1 Answer

Charging system voltage low


there are only 3 parts. but the causes are 25 or more.
1: belt missing slipping,
2: engine rpm below 800 RPM (lots of ways ,ask )
3: ALT had.
4: wiring to ALT bad.
5: bad battery or its connections, (wires)
6: bad fuse. see fuse link a11? on fFM page 20?
7: car is PCM alt controlled, it can be bad too. see 2 field wires on ALT and PCM on page 20? below?
8: battery temp sensor bad. making PCM think battery overheats.
the fSM covers all tests above.

pick car here, then pick charging.
5 alternators used on the 5 diffr.engines. got the wrong one?

the see wiring diagrams at end and chapter 20 inside, charge.
pdf page 118 for gas engine, if diesel next few.

Jan 07, 2014 | 1998 Jeep Cherokee

1 Answer

Charging system light on


The charging system in your vehicle is computer controlled ,checking for DTC'S - diagnostic trouble code's should alway's be the first step in the diagnostic process ,testing for B+ voltage at the wiring connections at the alternator would be the next step if no DTC'S are stored . The single heavy gage wire on the back should have Battery voltage , the wire's at the connector ,three out of the four should have B+ voltage an the # 3 wire is the control circuit from the ECM - engine control module . Four fuse's supply B+ voltage to these connections . 10 amp gauge #1 , 7.5 amp gauge #2 , 7.5 amp ALT-S an 120 amp ALT fuse. If any one of these is blown the alternator won't charge . If you know nothing of automotive electrical system testing ,your best bet would be to take your vehicle to a qualified repair shop.

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1 Answer

My 2005 ford explorer xlt check charging system light keeps coming on. I just recently within 60 days ago replaced the alt AND the battery. Thought that solved the problem then about 2 weeks later it came...


You need to check the out put of the alternator. In general the alternator should put out 13.5 to 14.5 volts. I would say go to where you bought the alternator and have them check the voltage. If check engine light is on you should have a code get them to check the code. Most auto part stores where I live will check your code for free.

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2 Answers

Charging gauge bouncing back and forth starts after jump


sounds like a shorted field in the alternator

Nov 07, 2009 | 1981 Ford F 150

2 Answers

Need help with 1994 Dodge Ram Charging system Repair


FULLY CHARGE BATTERY BEFORE USING.If you dont you will burn out the alt. within minutes.
Does the new alt have all the same connections as old one?
After charging bat and installing new alt. typical battery load test and alt. output test should tell if there may be other problems.

Jun 23, 2009 | 1994 Dodge Ram

1 Answer

My 2001 dodge ram 1500 5.2 v-8 check gauges light comes on and the battery gauge is not charging half way and as soon as I drive it , the gauge goes to none charging but I can drive it and it doesn't give...


on the alternator did you put the little washers where the regulator bolts on back of the alt they must be tight and also the ground cable from the battery to the alt bracket must be tight and grounded sounds like a loose connection
the washers go between the alternator and wires coming out of the harness and the alt also it probalbly goes dead occasionally when you crank it up

Feb 02, 2009 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Electrial problems never saw this one


sounds like the alternator has stopped charging or has bad connection at battery

Dec 08, 2008 | 1992 Dodge Grand Caravan

1 Answer

This 03 mazda tribute has just recently started to burn up voltage regulators in the altinator. I have put 3 alt.'s on this already and it now looks like I'll need to do a forth!! 1st time in: AVR...


I have had a string of bad alternators through my shop lately all made by USA alternator. I would breakdown and get an OEM part in this case. I would also bench test alternator prior to installation

Nov 03, 2008 | Mazda Tribute Cars & Trucks

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