Question about 2004 Chevrolet Blazer

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Recently posted digital cluster problem

Are there any wiring checks to be done...or can it more or less be safely assumed it is the cluster at fault

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I would say the cluster is shot and i would repplace it

Posted on Jan 03, 2009


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I have a 2015 yukon. The "service trailer brake system " warning just came on. My wife uses the yukon and we have never attached or hauled anything. What could be the cause?

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What is the pinout on a 1993 jeep grand cherokee vehicle information center plug in?

wow, no symptoms posted?,just a where is goose chase,
the FSM covers this, called the factory service manual.?
techauthority has that. get it?
free here
click zj, then wiring, and read.

the first question is not that,its does it do that at all?
answered: my wilded guess, is oil pressure too low? huh?
page 8w-40-1

first off, it down work like say any 1980 jeeps
the cluster is like your computer monitor
the cluster, is a digital , display that uses serial communications
data, from the PCM to present to you, all data (gauges)
this is all done over a 2 wire, transmission line.
called CCD.
via pins 1 and 2.

the PCM monitors all sensors, not the cluster like days of old.
then The PCM sends data to the cluster brain
the cluster then shows you the data.
that is how it works, 93 to now.

Jul 20, 2014 | 1993 Jeep Grand Cherokee

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You will want to check the wire connections for the heat sensor(s). It is possible that the connection(s) were damaged or loosened when the work under the hood was being done. you may also have to check the sensor(s) it self to insure that it has not failed.
You will want to check the wire connections for the heat sensor(s). It is possible that the connection(s) were damaged or loosened when the work under the hood was being done. You may also have to check the sensor(s) itself to insure that it has not failed.

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Buick Park Ave Lighting/Electrical Problem

the common system problem look like the headlights switch
and cluster back bulbs .... remove front panel cluster and remove headlight switch look for burn wire or connector terminal. test light
fuses all
hope it helps

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98 jeep Grandcherokee instrument cluster failure

OP sorry you are fixing a car you dont understand.
no engine stated, nor size or gas or diesel
and is a stalls post!
located DOWN under, zillion miles from us...oh joy;

the post a WG jeep (to usa) we dont have them here in USA, zero.

then post wall of text and endless problems
why stick to just one, fix that and move on.
pick one.(ASD is serious )
be best here, in serial endless, posts land.
i hate to pop your bubble but mechanics is now 1/2 electronics! facts.

EFI , and networks too. sorry but you need some class time.
I see you are mixing up different jeeps data.
why mix one countries books with others,for sure yours and ours
our 98 is WJ jeep ONLY sold only here.
outside usa. JG or, ZG, WG
sorry they are not the same car, nor are the clusters.

wow. nor many other things same,most of which are governed by each countries laws
KUDOS or 11th person ever here stating country, gee there is hope.
way to go there,here is big fat cigar and lotto ticket as prize! HOORAY!

this car runs from 1993 to 2017 and beyond
so vast books on them. huge by country (market)
you can not swap cluster willly-nilly, due to odometer laws
if you read the cluster page,(SM) it told you that
SM = service manual.
and yes, cluster runs on a network, all GC are.

if you had read the cluster chapter it told you
how to do the cluster self test diagnosis(methods)
costs 0 bucks 0 tools.
so if that passed, you scan the PCM
to see if there are no communication errors to the cluster.
no cluster can work on a DEAD NETWORK
just like dead WIFI, same same. deal.

you failed both steps; guessing here, is not possible.
seems like we can delete you whole post
and add this.
"Have had an intermittent Failure of injectors and ignition coils,l auto shut down and fuel pump relays for several years now:
sure many do... and will never be fixed, ever lacking a scan too. (I promise)

if then car has IMMO lamp,(lamp12> right corner)
if it glows at any time driving,that means KEY FAILURE.
"security key:" if in fact is is opted, and in europe they run there own, SKIM IMMO systems there. even back to 1996.

so not fitted with IMMO
then you must scan the PCM to see why the pcm Cut the ASD relay, you MUST there is NO other way possible
sorry, but is a FACT

so post, car drops ASD random times
and forget all that other stuff.

check IMMOBILIZer lamp.
scan it now.
if fail scan not,or even before failure we scan live driving
for fact the PCM will tell you WHO failed
is this hard? no!

if no scantool

BRICKwall results.

here is skim 2002 skim
see that lamp.. if it goes on driving all jeeps made on earth STALL,(BY DESIGN)
and 6 more causes of ASD drop and stalls.
salls have 50 cause,but im talking only ASD drop
induced STALLS

Feb 26, 2017 | 1998 Jeep Grand Cherokee

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