Where s the cooling plug fan located on 2002 dodge neon

SOURCE: location of dodge neon 2005 oxygen sensor

ask at the parts store where i bought the part

SOURCE: 2002 DODGE NEON RUNS RUFF AT IDLE

Engine light on? sounds like EGR valve the cross pipe from EGR to air intake plugs causes them to idle rough if eng light not on soon it will surface! good luck hope this helps!

SOURCE: 2002 Dodge grand caravan

It would appear that the relay is located on the cross rail that runs across the front of the vehicle (in front of the radiator). I found out that it is riveted in place by a single rivet, so in order to replace mine, I will have to remove the rivet and use a self-tapping screw to secure a new one.
The fan relay is located in the fuse panel located under the hood beside the battery. It will be marked under the lid. Make sure you check the maxi fuse for the fan also. 

SOURCE: Where is the TCM fuse

it's called the tcm located in the main fuse panel under the hood in the main fuse box. you have several 'main' fuses located in the main fuse and relay box. look on the drivers side fender well under the hood. lift the black box lid off and it will reveal the main relays and fuses you seek. thank you for choosing fixya.com! i look forward to assisting you in the future!

SOURCE: On my 2003 Dodge neon sxt the cooling fan stays on

If you air conditioner is turned on, even when starting, the cooling fan will turn on. So make sure you turn the air conditioner off before you change the thermostat. But if it still comes on with the AC off, then I will agree with Carl diagnosis.