I installed a Kenwood KDC-BT310U in my blazer using Metra 70-1858 harness adapter. I soldered all connections. I followed the diagrams(not difficult, after all I have installed many stereos over the years). The radio played great and every feature worked perfectly. After a few days, my battery was dead. After recharging, I had the battery and alternator checked and both passed. I checked amp draw and got .43 amps. I then removed the stereo and got .18 amps. I also bought an identical radio for my Caravan and performed the amp draw test in it and got .01 amps. I installed that one in my Blazer and got exactly the same results as with the other radio, .43 amps. I verified all wires on the adapter against the factory harness in the Blazer and all was correct. The only wire in the Blazer that wasn't used was the VSS wire. Could there be an issue with that? Please help, my daughter drives this and I don't want her to get stranded somewhere. Thanks in advance, Cliff
Sounds like BCM unable to power down with this unit. Call Kenwood tech. support for assistance.
SOURCE: 2002 CHEVY BLAZER
Can purchased an adapter kit at Best Buy or Circuit City that is color cordinated with the factory wires for about 12.00. This will go right into the factory plug.
Radio 12v orange + radio harness
Radio Ground black - radio harness
Radio Ignition dk. green + radio harness
Radio Illumination gray (dimmer) + radio harness
Factory Amp Turn-on N/A
Power Antenna N/A
LF Speaker +/- tan - gray +,- radio harness
RF Speaker +/- lt. green - dk. green +,- radio harness
LR Speaker +/- brown - yellow +,- radio harness
RR Speaker +/- dk. blue - lt. blue +,- radio harness
Immobilizer Bypass Module: Required: Yes Type: Passlock 2 Part #: 457G, 555L, or 555T
Notes: The Passlock 2 wire colors are yellow, orange/black, and red/white (not used).
SOURCE: Factory Stereo Drains Battery
I have had this problem with a few of my cars and I thought the same that my battery was gettin drained by the stereo but really my battery was going bad hich resulted in the radio staying on for some odd reason, but i replaced the battery and all is good with no more problems, so I would take my battery down and have it tested.
SOURCE: trying to wire in a Kenwood KDC-X789
this is the info, do this for free ask that you rate my help a fixya! thanks
2001 Chevrolet Venture Car Radio Stereo Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: Brown
Car Stereo Antenna Trigger: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Bl
SOURCE: my silverado 3500 01 battery keeps going
Ck the charge rate at the battery posts. The proper range is 23.6 to 14.2v , The higher the voltage the llower the amps. Ie; at 13v Alternator is about 10% under capacity. @ 12v it is charging at max capacity. @ 15 v isthe alt is not charging but frying your battery. 9amps is ok if battery is fairly charged but at start up it should sit on 13-13.6 volts. for about 15 seconds the start climbing to less charge towards 14.2.
SOURCE: Plugged in a Kenwood stereo in a 2000 tahoe. Have
Hi, your factory wire colors are below. Please let me know if you have more questions.
2000 Chevrolet Tahoe Car Radio Wiring Schematic
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: Brown
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 6 1/2? Speakers
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: 6 1/2? Speakers
Car Audio Rear Speakers Location: Rear Doors
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue
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Thanks for your help, but I found the problem. When I removed the trim initially to install the radio (that piece of trim is a bear to remove), I didn't realize I bumped the vanity mirror (DOH!). I didn't know that the cover was broken and had been for years. The switch activated and the light stayed on continuously, draining the battery. I fixed that and the amp draw dropped to .01 A(10 mA). May I offer some words of wisdom? Look for the simple things first.
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