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Honda Passport Electrical Problems

My '97 Passport appears to have some weird electrical problem. At random times, the battery indicator will start to move in sync with the turn signal or show a drop with any other pull on the battery (lights, radio, etc.). More than once, I've been idling in the driveway with nothing on and when I pull forward on the turn signal as if to initiate the bright lights, the engine dies. The car has no problem starting. The alternator has been replaced once. Does anyone have any suggestions or starting points?


  • I have somewhat the same problem you do. I have a 98 passport and at night when I push on the brakes the headlights and the dash lights dim almost completely out. It also does this when I us the electric windows, rear defrost, and when I turn on the heater. Also when I put the car in first gear and start driving my cd player turns off for a second and turns back on. It also does this when the anti-lock brakes activate. Its got a new battery and alternator. If anyone knows what I could do to fix it let me know THANKS
  • i have somewhat the same problem you do. I have a 98 passport and at night when I push on the brakes the headlights and the dash lights dim almost completely out. It also does this when I us the electric windows, rear defrost, and when I turn on the heater. Also when I put the car in first gear and start driving my cd player turns off for a second and turns back on. It also does this when the anti-lock brakes activate. Its got a new battery and alternator. If anyone knows what I could do to fix it let me know THANKS
  • popster3popster3 Posts: 1
    I have an 87 HOnda that starting losing the headlights, etc when then brake applied or turn signals used. Turned out to be a loose connector in the mess of wire harnesses that are around the steering column. Suggest you check all connectors you can reach. If the contact is not solid, the extra current can draw down the circuit
  • jboyle2jboyle2 Posts: 1
    The backup lights come on when I shift into 3rd gear on my 1994 Honda Passport, are there any adjustments for this, the info in the manual is meager at best. I have disconnected the switch but would like the lights to come on when I'm in reverse.
  • Passport all of a sudden just quits. Would not start back. Left sitting over night and then it cranked right up. Any idea what the problem might be?
  • shorty15shorty15 Posts: 1
    I discovered a strange problem. I had a plastic bag of clothes in the back of my 96 Passport that I was taking to the church to donate. The bag and several pieces of clothes had melted into the carpet. when I lifted the carpet I found were the carpet and padding had burn up through to the clothes. Has anyone had this problem????
  • 955rodeo955rodeo Posts: 4
    I have this 1995 Rodeo that for the most part has been running well except lately I am having this intermittent problem of the dashboard lights and taillights not working. The brake lights work, the turn signals work, and the headlights as well as the high beams headlights work just fine. Its only the taillights and the dashboard lights that intermittently do not work. Anybody have the same problem and any idea what it may be?
  • mgibbmgibb Posts: 1
    I have had the intake valves replace because they were cracked, new spark plugs because they were still the original ones, and had it hooked up to a machine at the shop that is used to clean out all the gunk that may be lurking about. I bought this car from a one owner who never drove it. It is a 99 with 58000 miles on it. When I first got it everything seemed fine. After a few weeks I noticed that it was not starting right up, sometimes it would take two or three tries. On one occasion after I turned it off I smelled gas. Took it in to the honda shop, they hooked it up to a computer. We found that the intake valve or it's casing had a crak, bare with me, I'm not good at shop talk.
    So we replaced this thinking it was the problem. Still had issues, so we replaced the spark plugs, seemed alittle better but a few days later it would just click when I turned it over, after a few tries it would start. Back to the shop, needed new starter. Thought it was fixed, wrong, it turns right over but again sometimes it will take afew tried sometimes it will start right up. I find that if it does start right up I need to gas it right away or it will shut down. Had it hooked up to something that blows out all the crap gunking up. Still having the same issues. The guy told me that the computer is showing nothing. We are not sure what to do next. Any suggestions? I'm ready to give up!
  • jhalfjhalf Posts: 1
    1997 Passport, 164250 on odometer...driving at 65 w/ cruise ON, when cruise cuts off, speedometer begins to bounce between 65 and 0 mph, and the odometer is only registering a fraction of the actual mileage. Anyone know whether this is a mechanical or electrical type pblm or a solution to pblm. Also, I've had a strange elec. pblm. where my stereo would uncontrollably turn on and off with bumps in the road and then the next time you start the car, no pblm. to be seen. Any help there??
  • 1995 Honda Passport, V 6, 1150,000 miles.
    Sometimes radio goes on and off intermittently, rear defrost don't work.

    (Today installed new battery, then tonight it went from 13.8 volts charging to 10 volts charging + the battery light and brake light came on, the AC/ Heater fan blower motor stopped working all at the same time.)

    What do you think?
  • I'm having the same problem. Did you ever find an answer?

  • Not exactly. However, I disconnected the cables from the battery posts, completely cleaned the posts and the inside and outside of the cables and connectors, and this seemed to help. I believe that there are still unresolved mystery electrical issues hidden somewhere within the recesses of the dash, but for now, I keep my fingers crossed at all times in regard to this car.
  • I'm workin on a 1994 Honda Passport.. HAd some wierd electrical problems... they all started when I was rolling down the highway in a rainstorm at night and literally turned on every electrical device in the vehicle.. I noticed my battery was draining.... I saw the post that suggests a poor connection... I have not installed a new Alternator... I used a volt meter and measured the installed battery at 12.25 and as soon as I start the car... with nothing on just the motor running the battery measures 11.6 volts... with the car running the alternator should provide about 13 to 14 volts at the battery... in other words, the alternator should run the car, and provide a boost back to the battery. I'm thinking my alternator isnt kciking back the 14 volts to the battery that it should. Any comments appreciated. Unclwayne.
  • tidestertidester Posts: 10,059
    I agree with your diagnosis. It's likely either a bad connection or a faulty alternator. But there is a third possibility: the battery is old and cannot adequately take a charge.

    tidester, host
    SUVs and Smart Shopper
  • Driving down the road Honda just quits. It will crank but wont start. Took it to the local repair shop and they said that it had something to deal with the wiring from the fuse to the fuel pump itself. They said the fuel pump was ok its just the wiring that's bad. Also when they had it on the hoist and had it connected to the computer it would run fine, but once off it would just quit. Anyone have any idea on what this could be or if something else could cause this type of problem? Also does anyone know where the wires run and where i could possibly get a wiring diagram? Any assistance would be greatly appreciated.
  • brown703brown703 Posts: 8
    I have a 1997 Isuzu Rodeo V6 which is the same as honda passport. I have an issue very similar with the fan blower not working and the brake and battery light on. Alternator was replaced...still not charging..battery tested ok....I was advised to use a factory alternator instead of OE reman. I have one on order as of 3/29/08. I hope this is the solution otherwise I have been told to look to the PCM (power control module) for the problem!
  • I have a 1996 Honda passport and have noticed that the alternator and or battery is the suspected electrical problems in most Honda Passports and you should loosen the alternator; then make sure the electrical plug is properly and tightly plunged into the alternator.
    If this doesn't help go to auto zone and they will check your alternator for free.
    \You may notice the radio cutting off intermittently and many other strange things happening to your Honda passport or Isuzu Rodeo. I hope this helps.
  • brown703brown703 Posts: 8
    As I have stated in nearly every instance like this...Not to knock Advance Auto and/or Auto Zone...but unless either one can give you an original new factory alternator, you will continue to have these problems. Whatever reason in the reman's the voltage regulators are no good. The blower for the fan is grounded to the engine control module via the voltage regulator. And if the voltage regulator is bad... well there you have it. A reman alternator will test great at about 15 on the bench, however if you test the same alternator while it is in the vehicle, it will show as bad!
  • Ok so my 95 Honda passport runs great, just 2problems! 1. When driving for moderately long distances (c30 miles) or so the check engine light comes on, it's not steady though it shuts off if i am not accelerating however every time i accelerate above approximately 10MPH the check engine light returns and usually stays on until i take my foot off the gas for after about 5 seconds....any ideas? 2nd concerning my radio (original stock) only the passenger side front speaker plays audio constantly and the other speakers seem to respond with clips of intermittent audio when traveling over hard bumps or the volume is turned up loud and even then speakers only respond intermittently? And suggestions?

    Any insight is greatly appreciated, thanks NUR
  • I have a 94 Passport. This all started after having new tires put on front. The Rear Anti Lock Light came on as did the brake and check engine lights. Temp guage went full hot, Radio quit, Blinkers Quit. Thought I had thrown a belt, got out checked under hood all OK shut the hood got back in and all lights were normal heat guage came back to normal and ran fine. The next day it happened again and again went away. I did find one ground connection bad as well as the positive terminal connector on the battery. changed both, Problem solved, until I started home from work, and it all happened again. It kept it up all the way home off and on.

    Who knows what this could be? :cry:
  • paulpjp1paulpjp1 Posts: 1
    down next to your left foot is a panel. 1 screw and then pull it of. the problem is the relay in the center. there is 3 relays the dash tailights and liciense plate light relay is the center relay
  • msmith2156msmith2156 Posts: 3
    Turned out to be a faulty ground located on the Firewall directly behind the engine. Connections were Red Hot and melting down the plastic. Took the factory clip thing off put connectors on the wires and attached directly to the firewall. All problems solved. Runs like a dream once again. :blush:
  • craigtmohrcraigtmohr Posts: 1
    I have a 1995 Passport with 102K on it and the other night I was turning on my headlights and the wipers started going. I messed with it a while and figured to pull out the dash light fuse and everything was ok except I had no dash lights and if I used my wipers the dash lights would come on as if the wiper motor was generating power to the lights. I replaced the fuse and everything seemed to be ok again until last night. It did it again, but this time the spray nozzles went off as well. I think the problem may lie in a short in the dash illumination wire that goes to the wiper switch. Does anyone have a suggestion of what to do?
  • billylopezbillylopez Posts: 3
    I have a '96 Honda Passport.How can i turn off and reset the check engine light?
  • tabadie1tabadie1 Posts: 1
    the power door locks stopped working. i have checked the fuses, all are good. what else should i check?
  • knewmanknewman Posts: 5
    hey fellow sufferers. i want to like my 96 passport, but i just can't go on with this issue.

    sounds like hondas & rodeos had issues with their grounds, and maybe some other connections. though i'm a mechanic, i hate chasing electrical problems up and around body panels or drivetrain. nightmare.

    my car, which i haven't seen one like it here, loses a ground belonging to the THROTTLE POSITION SENSOR(wants to die and lope at anything less than 1000rpm), the IDLE AIR CONTROL SOLENOID(before i blocked it off, it would idle way too high,...1500-2500), and occasionally the TRANSMISSION ACCUMULATOR (thumps into 2nd gear).

    my problems are specific to outside temperature. around 20-40 degrees F, as soon as the car warms up and takes sensor readings, it all goes screwy.

    if i continue to drive awhile, it stops if ambient temperature is near the 40 deg range or higher. if it's colder, the problem goes on and on, even after sitting off for a while. also, however it runs when i shut it off, that's how it runs the next time i start it.

    anyone found the faulty wire that does this??? crikey.
  • I had the same problem but mostley after I shut down. Turns out that the wiring to the pump corodes. There are two connections on mine, one at the tank (have to remove rear wheel to reach) and one running down the passanger side rail. You can reach or move the wires from the rear tire well. The connectors have a real corosion problem.
  • I have a 97 passport 4 wheel drive, that whin I first start moving the transmission goes in and out of gear several times. I have been told that there is a relay or sensor somewhere that may be the cause. Does anyone know where such a sensor may be located or have any other clue as to what may cause this?
  • seeker10seeker10 Posts: 1
    I had the same problem. I decided to change the battery, so I noted the battery terminals were in no good shape, so I changed both, and the problem was gone since that.. Note use a good battery terminals like copper or audio gold plated type
  • knewmanknewman Posts: 5
    boy, it sure sounds like all of these issues are similar. so what if it's not always the same device that geeks. some of us have "this" on the fritz, others have "that".

    it just sounds like the electrical system in general needs to be addressed. YOU SHOULD ALL KNOW THAT 12 VOLTS (or sometimes as little as 1/2 a volt) ISN'T MUCH POWER TO OVERCOME A BAD CONNECTION.

    i'll list what i know (and what i''m going to fix):

    1) the grounds on both sides of the motor that have a sorry little clip onto the engine or fender. these just tie the body to the motor. there's either 2 or 4.

    2) the 3 relays, i think they're in the driver's kick panel. they're notorious for corroding. i'm going to clean them all up and jam vaseline (anti-oxidant) into the connections.

    3) sounds like some of you need to look at other connections, like the fuel pump's which is accessed after removing a rear tire? or replacing the alternator?


    i'm going in, ...kevin
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