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mWhit
User
Oct 1, 2008, 5:27 PM
Post #1 of 8
(3790 views)
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Fuze box Power problems
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Hey folks, im having a heck of a problem with electrical issues, so here i am. First off, vehicle specs.
1995 GMC Sierra 1500 SL, 5.7L engine with 98k miles. The problem started about 4 years ago, yeh... its been a while.
I was driving normal, stopped at a stop light, turned at the green light and click. I lost the majority of anything electronic.
It seems to me that a good half of my fuze box does not get power. SO far on troubleshooting i know that all the
electronics themselves work fine. I went through each terminal and gave them power from a different source by connecting
a wire from a terminal that i knew was getting power (top terminal where 1 side of fuze goes) and lead that to each of the bottom
terminals that had items that werent getting power. This is how i was able to prolong this for close to 4 years, by pretty much hard
wiring things i needed (radio, windshield wipers, AC). Here is a rundown of what terminals are getting power and which are not, also
what they belong to (some may not apply) as worded from the owners manual. If a number isnt listed, it isnt used.
1 - Power - STOP/HAZ -stop/TCC Switch, buzzer, CHMSL, Hazard lamps, stop lamps.
3 - Power - CTSY - courtesy lamps, cargo lamp, glove box light, dome/RDG lamps, vanity mirrors, pwr mirrors.
4 - Power - GAGES - IP cluster, DRL relay, HDLP switch, keyless entry, low coolant module
6 - No Power - CRUISE - cruise control
7 - Power - AUX POWER - aux power outlet
8 - No Power - CRANK - Diesel fuel pump, DERM, ECM
9 - Power - PARK LPS - lic lamp, park lamp, tail lamp, roof marker, tail gate lamps, front side markers, fog lamps relay, door switch illum, fender lamps
10 - Power - AIR BAG - DERM
11 - No Power - WIPER - Wiper motor, washer pump
12 - No Power - HTR/AC - A/C, A/C Blower, high blower relay
13 - Power - CIG LTR - power amp, rear liftglass, cig lighter, door lock relay, pwr lumbar seat
14 - No Power - ILLUM - 4WD Indicator, LP Cluster, HVAC controls, rr hvac controls, IP switches, radio illumination
15 - Power - DRL-FOG - DRL relay, fog lamp relay
16 - Power - TURN-B/U - frnt turn, rr turn, b/u lamps
17 - No Power - RADIO - Radio (ign)
18 - No Power - BRAKE - DRAC, 4WAL PCM, ABS, Cruise
19 - Power - RADIO BATT - radio (batt)
24 - No Power - 4WD - Frt Axle, 4WD Indicator Lamp
A - (circuit breaker) PWR ACCY - pwr door locks
B - (Circuit breaker) PWR WDOS - power windows
Please lend a hand if you can. I have checked all the fuzes i can possibly find, maybe im missing
a hidden one or something... if only it was that simple. Thanks in advance for any help or input.
-Whit
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way2old
Veteran
/ Moderator
Oct 1, 2008, 5:33 PM
Post #2 of 8
(3785 views)
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Re: Fuze box Power problems
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Look under the hood for fusible links. These are wires that are used as fuses. Most of them are around the starter area. You can go to www.autozone.com and enter your information and it has wiring diageams there. If you need more help let us know. Most of these fusible links look like a wire with a large lump in it. Use a test light to see if there is current on both sides of the lumpyy area.
Being way2old is why I need help from younger minds
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mWhit
User
Oct 1, 2008, 8:03 PM
Post #3 of 8
(3775 views)
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Re: Fuze box Power problems
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I have looked at the wiring diagrams linked below and only found 1 fusable link, being between the battery and alternator. It seems fine and i dont have any alternator problems so i ruled that one out, Any other suggestions?
http://www.autozone.com/...eId=0900c1528008f3ce
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mWhit
User
Oct 4, 2008, 1:15 PM
Post #4 of 8
(3745 views)
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Re: Fuze box Power problems
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Fixed! 1 of 4 problems down, appreciate the input.
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way2old
Veteran
/ Moderator
Oct 5, 2008, 12:59 PM
Post #5 of 8
(3739 views)
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Re: Fuze box Power problems
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Good. Now, what was the fix? We live for a fix post. Jim N is drooling with anticipation. Kitty is looking for the AK, Dave is scratching his head, Dan is opening an adult beverage and I am just plain curious.
Being way2old is why I need help from younger minds
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Oct 5, 2008, 5:57 PM
Post #6 of 8
(3733 views)
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Re: Fuze box Power problems
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Kitty is definately curious!
T
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mWhit
User
Oct 12, 2008, 11:53 AM
Post #7 of 8
(3700 views)
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Re: Fuze box Power problems
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Well this one just comes down to a really dumb and embarassing problem. Somehow, i was missing a maxi fuse Lol... dont ask me how cuz i have no friggin idea. So sadly a 2.99 part was giving me the problem. Located in "Ignition B" under the hood.
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way2old
Veteran
/ Moderator
Oct 12, 2008, 12:20 PM
Post #8 of 8
(3699 views)
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Re: Fuze box Power problems
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Don't feel bad. We all have overlooked somethong simple. I have done it more than once. Thanks for replying.
Being way2old is why I need help from younger minds
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