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BBent
Dodge Dakota
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11/24/2003
01:06:18
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 Subject: Overdrive light won't go out
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Message:
I thought the dodge trans was doing fine until today. The overdrive light won't switch off even when the engine is turned off and restarted. Oh yeh no overdrive either. Any simple sugestions?????? like the switch??????
Heeeeeelllllllpppppp.
By the way it's a 92 model with a 3.9
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vern
Dodge Dakota
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11/24/2003
08:36:23
|  RE: Overdrive light won't go out
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Message:
the pcm runs [shifts] the o/d on,the switch is basicly a on / off switch like the head light switch.
test the switch with a test light for power going in and out.the switch turns your o/d on every time the ignition is turn on[you already know that]but for testing you need to know its on.
remove the instrumint bazel and the switch is easy to get at.
i,m sorry i miss read your post i thought it said
the light would,nt come on.HAD A BRAIN CRAMP!
do the same with out test light,check the plug on back of switch/may need a new switch.
again sorry for long post.
good luck
Vern
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EBL
Dodge Dakota
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11/24/2003
13:46:21
| RE: Overdrive light won't go out
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Have you been driving in wet weather? Check all wire connections going into your transmission for signs of age. 10 years can make a water tight connection less than water tight.
When it dries out, you will be fine if this is the problem.
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fastyz400
Dodge Dakota
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11/24/2003
14:58:55
| RE: Overdrive light won't go out
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Message:
I'd call the dealer to find out if there is a relay for the overdrive, and how much that relay cost.
There are 2 speed sensors on your trans as well, 1 for input, and one for output.
It could be any of those items,
The speed sensor are $19 a piece, don't know if there is a relay.
You can also, goto autozone, let them scan your codes, it's a free service.
That might help you pinpoint your problem.
Do what vern says first, Check your switch. But, i doubt, that is bad.
Oh, don't forget to disconnect your battery, that might reset the relay, if there is one.
Just my 2 cents.
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BBent
Dodge Dakota
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11/24/2003
21:13:22
|  RE: Overdrive light won't go out
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Message:
Well I found the problem. The switch on the dash was the culperate. I pulled the switch out and took it for a spin. The OD worked fine, while still running I plugged the switch back in and same symptoms. While still running I unplugged the switch and still no OD. The turned it off and restarted. OD back in place. I took apart the bad switch (What a POS). The switch makes contact to prompt a relay or computer I don't know yet. I will be looking at a wiring diagram as soon as practical. No trouble codes before or after. New switch = $42.
Auto Zone has been banned by California Bureau of Automotive Repair. I guess that have not paid their Mofia dues to the state.
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