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1994 K1500 Chevy have short in parking lamp circuit, keeps blowing fuses

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If you have a trailer harness, make sure it isn't shorted out under vehicle. Have also seen front parking lamp harnesses rubbed through on radiator core support.

Posted on Oct 03, 2009

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My park lights keep blowing fuses


You have a short to ground in the park light circuit..best have a mechanic look at it because its possible the trailer wiring was faulty and shorted out the Smart Junction Box (SJB)...the park lamp relay is controlled by it and the relay is built into the SJB

Apr 13, 2015 | 2007 Ford Ranger FX4 Off-Road

1 Answer

No tail lights


no (park -tail-running lights) is dash parking lamps glowing?
check the tail fuse yet?
94 accord
this circuit is huge, park/tail, up to 20 lamps. are all dead>?
front park, side park, tail park and dash lamps all out.
this i the red-blk feed. all comments , USA, as lighting varies by country. (laws)
license plate light dead too????????? that too is park
there is NO RELAY.
the fuse 32 feeds the HL (head light) switch and in PARK posistion
it feeds 12vdc raw power to all 38 lamps. (side corning lamps,etc)
the license plate lamp is key, there are 2 lamps.
and both probably are not out.
so if they are good lamps and both tail lamps are good and fuse
then they must glow, if one lamp shorts as 1156 or the like love to do
then it blows the fuse. as does the trailer jack (option) .

so fuse 32 park/tail blown
or HL park switch bad, if all 20 odd lamps dead. and fuse holds.
that simple, and this cars wiring is very simple and nice.

Feb 26, 2014 | 1994 Honda Accord

1 Answer

Grand Prix 2003 first no running lights tail lights or cluster lights. All fuses were good. Changed out the small box under the steering column. Not the chime box. After doing that I had running lights...


Daytime running lamps control module. Fuse #37 - inside the passenger compartment or under hood fuse box ? Do you know how to use a volt meter an wiring diagram to find electrical problems ? You have a direct short to ground or fuse #37 wouldn't blow. Underhood fuse box fuse # 37 is for the park lamps .Supply's B+ voltage to the daytime running lamps module an the headlamp switch plus 37
PARK LP Fuse
20A
Headlamp Switch, Body Control Module (BCM), and Vehicle Interface Unit (VIU)...
Park, Tail and Marker Lamps
The park, tail and marker lamps, including the license lamps, are turned ON when the headlamp switch is placed in either the PARK or HEADLAMP position, or anytime the headlights are requested. The PARK LP fuse in the underhood accessory wiring junction block. When the headlamp switch is placed in the PARK position, battery positive voltage is applied to the park lamp circuit. The parklamp circuit then applies battery positive voltage to the DRL control module and to all the marker, park and tail lamps. The front park lamps are grounded at G101. The rear park lamps are grounded at G302. The license plate lamps are a part of the rear park lamp circuit and are grounded at G302 The inadvertent power control feature prevents the park lights from remaining on more than 10 minutes if left ON. If the park lights are turned ON after the ignition switch has been turned OFF, or is in the ACCY position, they will remain ON until turned OFF or the battery runs dead.

Finding The Source Of Electrical Shorts In Your Car

Jun 16, 2017 | Cars & Trucks

1 Answer

No power to fuel relay 1994 chevy pickup k1500


just put in new fuel pump, filter and now who fuel relays. I keep blowing fuses under my dash/ took the meter to it and im getting power in the left side of the fuse prong but on the right side its grounding its self out. any ideas on what it could be?

May 01, 2012 | 1994 Chevrolet K1500

1 Answer

2004 jeep grand cherokee laredo keeps blowing the fuse for the parking lights and taillights


If it "keeps" lowing the fuse, there can be only one reason for it...you "keep" replacing the fuse without diagnosing the circuits to find out WHY the fuse is blowing in the first place.
When a fuse blows, there is a reason for it. If you do not find the reason and correct it, the fuse will continue to blow.

Please also review this article: Where's The Fuse?

With all of that said, the first thing I would check is all of the light bulbs. Sometimes the bulbs get really hot and melt inside and it causes the metal contacts in the bulbs to touch each other and short the circuit out. This is especially true if you can replace the fuse and everything seems to work ok for a while. They will all work until the offending bulb gets hot and "POOF" there goes the fuse again.

This condition can be hard to diagnose since the short circuit usually goes away as soon as the bulb cools off for a few seconds. In cases like this, what I usually recommend to save time and money is to replace all of the bulbs.

If it is fuse #6 (15 Amp) in the Central Junction Block that keeps blowing, it only powers the tail lamps, licence plate lamps, front park lamps and the front side marker lamps. The cost of replacing all of these bulbs is a LOT cheaper than an hour of diagnostic time at most shops. If this does not fix the problem, then you will have to trace all of the wires going to all of these bulbs to find out which one is shorting and where it is shorting. This could turn out to be very time-consuming and expensive, but at least, you will have eliminated the likelyhood that it is caused by a bulb.

Oct 10, 2011 | 2004 Jeep Grand Cherokee

1 Answer

The 30 amp fuse keeps blowing for om running light and the head light flicker what can i do? 1993 chevy shortbed 4x4


You have a short to ground.
You need to isolate the problem circuit.
Remove all of the lights light, then reinstall each light, when the fuse blows, you will know that you have located the problem circuit.
Get a wiring diagram for your truck, to help you trace the wires in the problem circuit.
Electrical problems can be time consuming.

Aug 21, 2010 | 1993 Chevrolet K1500

1 Answer

#9 fuse keeps blowing. Not a problem during daylite hours, but they want you to have taillights at nite. Turn signals and brakes okay. Have taken doors apart,disassembled the dash,followed parking light...


Had this problem on my 1995 K1500. Take your front blinkers out and see if the wires are rubbing on the frame causing it to short out. Took me 4 months to figure this out.

Aug 17, 2010 | 1996 Chevrolet K1500

1 Answer

Fuse Keeps Blowing


First off the reason for instant fuse blow is because this is a positive wire grounding out or touching/crossing a grounded surface. I would first target the Cig lighter outlet connections also if the outlet is rusty inside looking, replace it.

Jul 01, 2009 | 1994 Chevrolet K1500

1 Answer

Chevy silverado keeps blowing fuses


sounds like a mouse has got in and chewed the cables,their is no easy fix from what i can think of but check all the wires and connections in case water has got into it,or snow if your in alaska.its fifteen years old now so its possible that some insulation has broken down or a wiring loom has chaffed somewhere underneath

Feb 04, 2009 | 1994 Chevrolet K1500

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