installing cd player in 95 voyager

i have a problem, my voyager had the factory am/fm cassette player in it when i purchased it as a used vehicle. i purchased a cd stereo to put in it when i removed the existing unit i discovered that the factory plug had been cut off both the unit and the wire harness so i now have all these wires that arent labled and colors don't match the wires of the unit i purchased. i tried the different wires but the best i have been able to come up with will power up the cd player when the key is turned on but only for a few seconds and than it goes dead like it is getting no power....have checked the fuses in the fuse box under the dash and the one under the hood they are ok....any ideas

https://www.the12volt.com/installbay/detail.asp?info=alarm&year=1995&make=Plymouth&model=Voyager&ID=18742&type=Stereo this might do it

thank you i had found that chart last night but was to late and dard to check it out i posted question because there are wires not mentioned in the chart an orange one a blue one etc.

What brand radio R U installing?If it is the Factory harness:The ORANGE wire is for Dimmer or Panel litesThe BLUE ??U may not need this if the sound stays onMO

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afraid it is a bit of a cheapy from wal mart called duraband....thank you for the information on the orange wire....