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Discussion Starter · #1 ·
Hi Everyone;

As the title says i'm on my way to Fraser Island with my family and have need of some help please.

When I hooked up my camper trailer to the Patrol (2005 GU Seruies 4 3.0Lt Auto) the fuse to the rear brake lights Blew. Had this happen before and changed the fuse and all ok. That was yesterday. Today all of a sudden my indicators are not working. Not even the indicator lights on the dash are ticking. I have checked fuses for the indicators and hazard lights and all are OK. Everything else seems to be working electrically.

Any ideas on what the problem may be as driving with no indicators is no fun at the moment.

Currently holed up a Coffs harbour for the night.

Thanks

---Bushy67---
 

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1992 (GQ) Nissan Patrol Ti Wagon
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Had a similar problem with my uncle's brand new Pajero the first time we took it to Fraser.

Hooked up the boat and about 2 hours later all the warning lights on the dash started to come on.

Turns out that the extra draw on the indicator circuit because of the lights in the bullbar, plus the trailer gave the ECU reason to panic.

Mitsubitshi's soultion, next size up fuse in the indicator circuit... no problems since :D
 

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Discussion Starter · #5 ·
Had a similar problem with my uncle's brand new Pajero the first time we took it to Fraser.

Hooked up the boat and about 2 hours later all the warning lights on the dash started to come on.

Turns out that the extra draw on the indicator circuit because of the lights in the bullbar, plus the trailer gave the ECU reason to panic.

Mitsubitshi's soultion, next size up fuse in the indicator circuit... no problems since :D
Hi 92 GQ

The fuse for the indicators was already oversize (10A instead of 7.5A). No other dash lights are effected and no fuses are blown as I have checked both under steering and bonnet locations.
 

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Have you cheacked the fuse under the bonnet for the hazzards? Its not inside the car... Fuse box under bonnet next to battery.... it'll be 10amp... if you have bullbar with trailer plugged in it'll over load that. Quick fix is put 15amp in for now then change some indicators to LED to lessen the load.
 

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Discussion Starter · #7 ·
Have you cheacked the fuse under the bonnet for the hazzards? Its not inside the car... Fuse box under bonnet next to battery.... it'll be 10amp... if you have bullbar with trailer plugged in it'll over load that. Quick fix is put 15amp in for now then change some indicators to LED to lessen the load.
Hi Truckers GU

Hazzard fuse under bonnet was also checked and was found to be in good order. If no fuses are blown is there any benefit to changing to a larger rating fuse?

Thanks

---Bushy67---
 

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This might help you a little.. It's from the nissan manual.


Trouble Diagnoses

symptom
Turn signal and hazard warning
lamps do not operate.

Possible cause
1. Hazard switch
2. Combination flasher unit
3. Open in combination flasher unit
circuit

Check
1. Check hazard switch.
2. Refer to combination flasher unit check.
3. Check wiring to combination flasher unit for open circuit.



Turn signal lamps do not operate
but hazard warning lamps operate.
Possible cause
1. 7.5A fuse
2. Hazard switch
3. Turn signal switch
4. Open in turn signal switch circuit
Check
1. Check 7.5A fuse [No. 11 , located in fuse block
(J/B)]. Turn ignition switch ON and verify battery
positive voltage is present at terminal q2 of hazard
switch.
2. Check hazard switch.
3. Check turn signal switch.
4. Check harness between combination flasher unit and
turn signal switch for open circuit.



Hazard warning lamps do not operate
but turn signal lamps operate.

Possible cause.
1. 15A fuse
2. Hazard switch
3. Open in hazard switch circuit

Check.
1. Check 10A fuse (No. 48 , located in fuse and fusible
link box). Verify battery positive voltage is present at
terminal q3 of hazard switch.
2. Check hazard switch.
3. Check harness between combination flasher unit and
 

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Last week my indicator fuse blew in my gu 2003. It was the the towbar wiring, took me about 5 fuses to figure out what it was, then i unpluged the tow bar wiring and its all fixed. Now I have to find time to get it rewired.
 

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Yes there is.. I had simialr problem with my gu and many others when they make the body lights work on the rear. I changed my bullbar indicators and rear tail lights to led to lessen the load on that system to keep the 10amp fuse. From memory once you add a bullbar and trailer onto the system it works out at about 16 amps draw hence the fuses blow.
 

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Discussion Starter · #11 ·
This might help you a little.. It's from the nissan manual.


Trouble Diagnoses

symptom
Turn signal and hazard warning
lamps do not operate.

Possible cause
1. Hazard switch
2. Combination flasher unit
3. Open in combination flasher unit
circuit

Check
1. Check hazard switch.
2. Refer to combination flasher unit check.
3. Check wiring to combination flasher unit for open circuit.



Turn signal lamps do not operate
but hazard warning lamps operate.
Possible cause
1. 7.5A fuse
2. Hazard switch
3. Turn signal switch
4. Open in turn signal switch circuit
Check
1. Check 7.5A fuse [No. 11 , located in fuse block
(J/B)]. Turn ignition switch ON and verify battery
positive voltage is present at terminal q2 of hazard
switch.
2. Check hazard switch.
3. Check turn signal switch.
4. Check harness between combination flasher unit and
turn signal switch for open circuit.



Hazard warning lamps do not operate
but turn signal lamps operate.

Possible cause.
1. 15A fuse
2. Hazard switch
3. Open in hazard switch circuit

Check.
1. Check 10A fuse (No. 48 , located in fuse and fusible
link box). Verify battery positive voltage is present at
terminal q3 of hazard switch.
2. Check hazard switch.
3. Check harness between combination flasher unit and

THANKS

The Hazzard lights were on when the problem occured so maybe it is the hazzard switch. Do you know where this is located? Is it behind the switch on the dash?
Also where is the combination flasher unit located?

Regards

---Bushy67---
 

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The wires plug straight into back of hazzard switch..
Sorry not too sure on that one... The nissan manual i have shows it could be under the dash. Drivers side towards the centre.. ie above clutch pedal.
In the back of the hazzard switch the red/yellow stripe wire should be constance live.
The red/blue stripe should only be live when the ingnition is on.
 

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LED ZEPPELIN
1995 GQ TD42 NA
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12,022 Posts
You can completely disconnect the towbar wiring loom up under the rear bar, and if that fixes the problem then you've isolated the problem area.
 

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Hazzard fuse under bonnet was also checked and was found to be in good order. If no fuses are blown is there any benefit to changing to a larger rating fuse?
How have you checked the fuse?

Visually, or done a continuity test with a meter?

Every now and then fuses do blow, but on visual inspection look like they are perfectly fine.
 

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Discussion Starter · #16 ·
How have you checked the fuse?

Visually, or done a continuity test with a meter?

Every now and then fuses do blow, but on visual inspection look like they are perfectly fine.
Hi Trojan;
'
Continuity test on all fuses performed.

---Bushy67---
 

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Discussion Starter · #17 ·
You can completely disconnect the towbar wiring loom up under the rear bar, and if that fixes the problem then you've isolated the problem area.
Hi Squalo

Not quite sure how to disconnect the loom without having to remove where they are spliced into the rear wires. Is this what you mean?

---Bushy67---
 

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Discussion Starter · #18 ·
The wires plug straight into back of hazzard switch..
Sorry not too sure on that one... The nissan manual i have shows it could be under the dash. Drivers side towards the centre.. ie above clutch pedal.
In the back of the hazzard switch the red/yellow stripe wire should be constance live.
The red/blue stripe should only be live when the ingnition is on.
Hi Truckers GU

I have checked the hazzard switch visually this morning just to see if I can see anything obvious like a short or something. All looks good.

I'm back on the road now so I'll have a look foir the indicator relays when I stop for lunch.

Thanks

---Bushy67---
 

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LED ZEPPELIN
1995 GQ TD42 NA
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12,022 Posts
Hi Squalo

Not quite sure how to disconnect the loom without having to remove where they are spliced into the rear wires. Is this what you mean?

---Bushy67---
Is it a factory/dealer towbar? If so, when you get under the rear bar you can see where the towbar loom splits off from each side to go to the trailer plug, you'll see straight away how you can remove it and reconnect the non-towbar wiring. If the lights then work then the towbar harness will have to be checked (or replaced). Not sure if a Nissan dealer would have them off the shelf or have to order them.

If it's aftermarket then it may have a more permanent wiring set-up...

Also, probably not your problem but I lost rear brakelights and indicators once and the problem was that while offroading, a stick had gone into the wiring that comes out under the passenger front seat and damaged it - fixed by an auto electrician.
 

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LED ZEPPELIN
1995 GQ TD42 NA
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12,022 Posts
The flasher unit is usually under the dash somewhere above the pedals. On older cars it's normally a shiny aluminium cylinder, not sure about the Patrol's one. If it is a conventional one (three pin, arranged in the form of three sides of a square) you might be able to swap in a generic one from an auto shop to see if that fixes the problem.

The bullbar wiring load issue sounds like a possible culprit to me, but when I fitted my bullbar my towbar harness had already been removed due to damage, so I don't have any firsthand experience with that... have not gotten around to getting a replacement harness yet.
 
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