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Write up: How to reset the Maintenance Required Light

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Old May 30, 2020 | 09:30 PM
  #21  
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i always do a complete brake job all the hoses, calipers, wheel cylinders, pads, shoes, drums, rotors, and flush the snot out of it. it cost a little more but it is worth it.
 
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Old Jul 29, 2020 | 07:19 PM
  #22  
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I have an '89 Dakota with the "Maintenance Required" light on. One book says DRB 2 and I see OBD 2 tools mentioned. How can I clear it? Which tool will connect? I assume the blue box reset won't work on my '89. Local dealer was not much help.
 
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Old Jul 29, 2020 | 09:04 PM
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DRB 2 or something equivalent.

OTOH, you CAN just unplug the blue box if you have it ... that way, it'll go out. Or take the bulb out.

It only says "Times to check EGR system"; that's all.

RwP
 
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Old Jul 31, 2020 | 07:15 PM
  #24  
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I can't locate the connector, I don't know what it looks like. Does it need to be DRB 2 or will OBD 2 work? Any one have a Dodge service manual for an '89? Thanks in advance. Doug.
 
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Old Jul 31, 2020 | 09:54 PM
  #25  
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http://www.autobooksbishko.com/searc...k&category=All shows the disc version for under $40 as I type this.

No, it's not OBDII. DRB2 is the version of the dealer tool.

The connector is under the hood, by the blower motor resistor, under the coil and a bit towards the passenger side. It looks like this:

Here's what will plug into it





My SnapOn 2500 with the right carts and adapter will work just peachy keen. You may want to find one used on fleaBay and see what you can get it for.

Also, easiest thing to do is to remove the blue box (towards the door from the knee blocker under the dash; the one near the fuse box) if your truck uses it. If it's in the ECU, either a DRB or something similar to reset it, or just remove the light.

RwP
 
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Old Aug 4, 2020 | 07:13 PM
  #26  
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Thanks much. I'll look around for the plug in. I may just try to unhook the light. The chassis manual is a good idea.
 
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Old Apr 28, 2024 | 05:15 PM
  #27  
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Default Blue box to reset maintenance required light

[I found my "blue box" behind my glove box. Thr button that looks like needs to be depressed matching your picture, doesn't seem to do anything?
How long do you hold it down for? It doesn't seem like it really even pushes down, like a button should?
Also, do you have the key on so you're looking at the "maint req" light or have the key off?


QUOTE=7KINGKAOS7;2265292]How to reset the "Maintenance Required Light" on a '87-'88 Dodge Dakota
I found my "blue box" behind my glove box. Thr button that looks like needs to be depressed matching your picture, doesn't seem to do anything?
How long do you hold it down for? It doesn't seem like it really even pushes down, like a button should?
Also, do you have the key on so you're looking at the "maint req" light or have the key off?
I can't get mine to reset.
Thank you for your post!


First off lets determine which year dakota has which set-up:

'87-'88 have the "Blue" module below the headlight switch under the dash.

'89-'95 you will need a DRB II scan tool to turn the light off. The dealer should have this and be able to turn it off for you. Or you can buy a scan tool, which isn't cheap...

Now lets know why the light comes on in the 1st place:
(Scanned from my owners manual)
 Attachment 76857



1) Take off the 2 lower dash panels under the steering wheel. 3 screws for the one directly under the steering wheel. And 2 screws for the one nearest to the drivers door.
Attachment 76858


2) Directly below the headlight switch under the dash you'll see a medium size "Blue" module. Now I've read that some of these modules have a 9v battery in them, which go bad after awhile and need to be replaced. In my case my truck DID NOT have a 9v battery in it.. Where the red arrow is pointing. thats where the 9v battery would be if your truck had one. Now if you look at the picture where the white circle is. Thats the button you need to press. Have the truck running, then use a toothpick or something similar and press the button.
Attachment 76859

Attachment 76860


3) Now reattach the panels, and your done, enjoy not having the light on to annoy you!

Now, all this info I gathered is from searching 4 diffirent sites, reading my owners manual, and by resetting the light myself on my '88 Dakota 2wd.



If anyone sees any wrong info. Please correct me. Thanx and enjoy!

~7KINGKAOS7[/QUOTE]
 
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