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kooshball
Dodge Dakota
JOIN HERE
4/18/2006
23:05:03
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 Subject: '00 4.7 dakota electric fan problem
IP: Logged
Message:
OK, here is what I have got and here is what I have found, what is the next step?
-Error code 1491 - elec fan circuit
-Replaced relay and the new one checks out good
-Checked voltages at the relay plug and both are good
-Fan will run when appropiate circuit is jumped at relay plug
-checked temp sensor and it is fine
-checked both sets of fuses and they are fine
What have I overlooked other than the PCM? Which leads to I check for a short on the PCM harness?
Any suggestions??
David
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kooshball
Dodge Dakota
JOIN HERE
4/20/2006
12:04:02
|  RE: '00 4.7 dakota electric fan problem
IP: Logged
Message:
Does anyone know which leads to check from the PCM harness to relay to ensure closed circuits?
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kooshball
Dodge Dakota
JOIN HERE
4/30/2006
16:07:14
| RE: '00 4.7 dakota electric fan problem
IP: Logged
Message:
Any ideas? Anyone ever opened up the PCM and looked for cold solder points, etc?
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Duner
Dodge Dakota
JOIN HERE
5/08/2006
15:42:12
| RE: '00 4.7 dakota electric fan problem
IP: Logged
Message:
Check the underside of the power distribution block that the relay plugs into. The "socket" that my fan relay plugged into was fried. The famale spade connector on yours may have dropped out of the bottom and the relay can't get power to switch from the PCM.
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