91 Q's running lights out

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Power2theQ
Posts: 4
Joined: Sun Aug 24, 2008 8:47 pm
Car: 1991 Infiniti Q45, 1988 Nissan Maxima

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Hey, check this out: My Q's running light fuse (labeled ILL On the side of the fuse box i the cabin) was burned when I bought it, so I got a fresh one for it, ad it worked fine for a while. Every once in a while, the fuse would burn out again, so since I figured it was a short power surge, I put a 20 Amp(to replace the 10 Amp) in to solve the problem. Now the running lights hve stopped working and the fuse is untouched. I hooked up a multimeter to it and it showed that no current was running through it. Can anyone here tell me what might be burned out and how I can repair it?


Q45tech
Moderator
Posts: 14296
Joined: Tue Apr 30, 2002 3:19 am
Car: 1990 Q45 342,400 miles 22 years ownership with original engine
1995 G20t 5 speed 334,000 miles 16" 2002 wheels - 205/50/16 Sr20ve vvl

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Nissan selects a fuse that is 2-2.5 times the peak ampere draw. Obviously your reengineering has blown open a wiring connection.Measure the voltage going into fuse to make sure you have not blown a larger fuse upstream of the problem fuse.

maxnix
Posts: 22627
Joined: Mon Jul 22, 2002 8:11 pm
Car: 1995 Infiniti Q45
1995 Infiniti Q45t
2000 Infiniti Q45

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Power2theQ wrote:Can anyone here tell me what might be burned out and how I can repair it?
Yeah, you treated the symptom and not the cause. Better start by inspecting all sockets, their wiring and bulbs. For the latter, OEM or Sylvania LL only!

Once they are known good, start tracing as Q45tech suggested.

Good luck and welcome to NICO!

Power2theQ
Posts: 4
Joined: Sun Aug 24, 2008 8:47 pm
Car: 1991 Infiniti Q45, 1988 Nissan Maxima

Post

Q45tech wrote:Nissan selects a fuse that is 2-2.5 times the peak ampere draw. Obviously your reengineering has blown open a wiring connection.Measure the voltage going into fuse to make sure you have not blown a larger fuse upstream of the problem fuse.
Yeah, there's no current running through the jack for the fuse. I checked the box under the hood and the jack for the fuse labeled 'stop lamp' is out. Would I be correct in guessing that there's a connection under that jack that's out?

Power2theQ
Posts: 4
Joined: Sun Aug 24, 2008 8:47 pm
Car: 1991 Infiniti Q45, 1988 Nissan Maxima

Post

maxnix wrote:Yeah, you treated the symptom and not the cause. Better start by inspecting all sockets, their wiring and bulbs. For the latter, OEM or Sylvania LL only!

Once they are known good, start tracing as Q45tech suggested.

Good luck and welcome to NICO!
Well, the thing is, all of the rnning lights are out. The gage lights, the side lights, the yellow lights in the front, and worst of all, the brake lights, unless I hit the brakes.

maxnix
Posts: 22627
Joined: Mon Jul 22, 2002 8:11 pm
Car: 1995 Infiniti Q45
1995 Infiniti Q45t
2000 Infiniti Q45

Post

Power2theQ wrote:
Well, the thing is, all of the rnning lights are out. The gage lights, the side lights, the yellow lights in the front, and worst of all, the brake lights, unless I hit the brakes.
That doesn't change anything as far as diagnosing the condition of the bulbs and sockets, then the wiring.


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