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Still some electrical issues


Seth Rose

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Hey guys I posted a while back like almost a year ago about my reatta having some electrical problems which I thought was caused by the BCM but as it turns out that did not fix my problem what seems to be happening is the all the inside electrical stuff will shut off such as my speedometer and such and the lights dim when this happen I'm going to try to get a new battery here soon to see if thats it and if that doesn't work could it be the ECM and if so I have no clue where thats located on the car so any help with this question would be very much appreciated.

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Need a little more detail..........

You say the speedometer fails, do you mean everything on the instrument cluster goes black?

You say the lights dim... what lights? The headlights? the dome light?

Does the car sit outside?

Is the carpet under the passanger seat damp?

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ok yes everything on speedometer cluster goes black and its the headlights that dim the dome light just shuts off all together along with every other light in the interior except for the crt which stays on the radio screen for a while and then goes to sleep to save energy yes the car sits outside and yes the passenger side door seal leaks so the wires under the carpet could be wet and rusted and need replaced but when I asked about this in my previous mentioned post someone said not to worry about it

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Guest Mc_Reatta

Think you may have multiple problems all at the same time.

Agree you seem to be going into RAP mode which would mean the computers are losing power. Could be the ignition switch, might be the battery cables, battery, and common ground and power points.

Hopefully you have looked into those areas before taking on the BCM, ECM, ignition switch.

BCM is the common link between you symptoms. PROM was different in an 88.

How did you determine it wasn't your problem?

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i got another working BCM and swaped them out and it did the same thing and ya i checked all the connections on the battery cleaned the side posts on the battery the ground point behind the battery and i had to switch the prom in the bcm i already knew that the ignition on the car is broke so the car starts without the keys but i figured it was a power problem i just didn't know where

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Guest Mc_Reatta

OK. Think it's back to the ignition switch then. May just be the mechanical linkage between the key cylinder and the electrical switch down below moving around while your underway, or the switch itself.

Will need to disassemble the column and take a look at what's going on.

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Guest Mc_Reatta

Before you sink your money into the switch, make sure its not the pawl at the lock cylinder, or the actuation rod causing the problem.

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because no matter how many times I email Jim Finn he never responds and i think it has something to do with the cylinder because the thing is broken so the car will start with out keys and when i had the column apart it seemed like the rod was kinda loose but i wouldn't know if that rod was supposed to wiggle a little or not it hasn't even been doing it now anyways it hasn't shut off for almost a week and a half now but id still like to figure out whats wrong with it

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I have decoded this message to save anyone else some time who might want to read it.

because no matter how many times I email Jim Finn he never responds and i think it has something to do with the cylinder because the thing is broken so the car will start with out keys and when i had the column apart it seemed like the rod was kinda loose but i wouldn't know if that rod was supposed to wiggle a little or not it hasn't even been doing it now anyways it hasn't shut off for almost a week and a half now but id still like to figure out whats wrong with it

<div style="background: #cecece; padding: 10px; border: 1px groove #000000;">Because no matter how many times I email Jim Finn he never responds.

I think it has something to do with the cylinder because the thing is broken. The car will start without keys. When I had the column apart it seemed like the rod was kinda loose but I wouldn't know if that rod was supposed to wiggle a little or not.

It hasn't even been doing it now anyways. It hasn't shut off for almost a week and a half now but I would still like to figure out whats wrong with it.</div>

Edited by Ronnie (see edit history)
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  • 2 months later...

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