How to hook up a tach on my 883

red - ignition switched 12 volt
yellow - constant power 12 volts
black - ground wire
orange - dimmer wire don't use

speaker wires

drive side front
white +
white/black strip -

passanger front
gray +
gray/black strip -

drivers rear
green +
green/black strip -

passanger rear
purple +
purple/black strip -

blue - remote amp turn on wire
blue/white strip - either power antenna or remote amp turn on also

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2000 Buick Regal Car Stereo Install Diagram jvc kdavx1
Radio Constant 12V+ Wire: Orange yellow
Radio Ignition Switched 12V+ Wire: Yellow red
Radio Ground Wire: Black/White black
Radio Illumination Wire: Gray/Black orange/white
Left Front Speaker Wire (+): Tan white
Left Front Speaker Wire (-): Gray white/black
Right Front Speaker Wire (+): Light Green gray
Right Front Speaker Wire (-): Dark Green gray/black
Left Rear Speaker Wire (+): Brown green
Left Rear Speaker Wire (-): Yellow green/black
Right Rear Speaker Wire (+): Dark Blue purple
Right Rear Speaker Wire (-): Light Blue purple/black
parking brake: blue light green

For this last wire, access the back of the parking brake to find a switch with a blue wire. Peel some insulation from the wire and wrap the stripped end of a 3 foot piece of 16 or 18 gauge wire around the stripped section. Solder and wrap the connection with electrical tape, route the wire to the jvc, then strip and solder the other end to the pigtail of the head unit.

If you are also installing a camera seeing behind you when backing, you will need to run a wire to the back-up light on the driver side reverse light (light green) wire along with your video cable.

This is the wiring codes
2005 Dodge Ram 1500 Truck Car Radio Stereo Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Pink
Car Radio Accessory Switched 12v+ Wire: Brown/Red
Car Radio Ground Wire: Black/Dark Green
Car Radio Illumination Wire: Orange/Dark Blue
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger: N/A
Car Stereo Amp Trigger Wire: Dark Green/Red
Car Stereo Amplifier Location: Located behind the glove box.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Dark Green
Left Front Speaker Negative Wire (-): Brown/Red
Right Front Speaker Positive Wire (+): Violet
Right Front Speaker Negative Wire (-): Dark Blue/Red
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown/Yellow
Left Rear Speaker Negative Wire (-): Brown/Light Blue
Right Rear Speaker Positive Wire (+): Dark Blue/White
Right Rear Speaker Negative Wire (-): Dark Blue/Orange

Most aftermarket tachometers will employ a 3 wire system. A "power" wire, a "signal" wire and a "ground" wire. On a stock Sportster's ignition coil there will be 2 terminals/posts. 1 post will have a set of white wire on it the other a blue or pink wire. White is switched 12VDC (vehicle power) and the blue/pink is the secondary side of the coil (signal). I'd really need more information to be most helpful.

Constant 12V+ Green/Yellow

Switched 12V+ Yellow/Black

Ground Black

Illumination Blue/Red

Dimmer n/a

Amplifier Remote Blue

Antenna Right Front


Front Speakers 5" x 7" Doors

Left Front (+) Orange/Green

Left Front (-) Blue/White

Right Front (+) White/Green

Right Front (-) Green/Orange


Rear Speakers 5" x 7" Rear Doors

Left Rear (+) Pink/Green

Left Rear (-) Brown/Yellow

Right Rear (+) Orange/Red

Right Rear (-) Black/White

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Locate & route Black lead to ground / 2004-later softail: On the frame strap under the seat directly in front of the battery.

Locate & route the pink lead to Signal / For 2004 & later FXST/C/I The #3 cavity in the connector {39b} on the back of the speedometer. The socket terminal on the signal (pk) lead fits the #3 cavity.

Locate & route the Orange and white lead to power / Ummm.. it's saying for 2004 and later to adapt to the fuse block For earlier [ For 1996 to 2003 softail: locate the power lead (o/w) in the tail lamp pin connector {7a} under the seat behind the right rear corner of he battery.] "here you are looking to run it to a fused line, not directly to power/battery" I hope this helped.

There should be a light green or violet wire coming from speedometer this is your database wire. This is were you hook up your last wire. Hope this helps, from 04-to 07 the wires are pretty much the same color.

wires from speedometer:

light green/ violet = database
black= ground
orange/white= inst power+12vdc

Constant 12V+ Red or Pink/Black - Ignition Switch Harness
Starter Yellow - Ignition Switch Harness
Ignition Dark Blue - Ignition Switch Harness
Ignition 2 Black/White - Ignition Switch Harness
Ignition 3 Dark Green/Red - Ignition Switch Harness
Accessory Black/Orange - Ignition Switch Harness
Tach Gray Or Blue/Tan PCM Coil 2.4 Liter - Engine
Neutral Safety Wire Black/White - Power Control Module
Brake Switch White/Tan - Brake Switch
Trunk Pin Tan/Black - 40 Pin Connector at Fuse Panel
Parking Lights Light Green/White (-) - Head Light Switch Harness left of Column
Head Lamp Green/Orange - Light Switch
Factory Disarm White/Dark Green - (665 Ohm) left Connector bottom of Fuse Panel
Door Trigger Brown/White (-) - Lower right Gray Connector at Fuse Panel
Door Lock White/Dark Green - BCM at Fuse Panel
Door Unlock White/Dark Green - White Connector B58 Connector
Horn Wire Black/Red - Steering Column
Windows Up LF=Light Green, RF=Brown/White, LR=Blue, RR=Gray
Windows Down LF=White, RF=Purple/White, LR=Red/White, RR=Dark Green



Your R/S instructions should tell you what goes where.

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Green is always equiptment ground. It goes to the green wire ,if you have one in the electric outlet box,or mounted to the box itself itf you have not the green in the box.
Green always  to green White to white. Nutural wire. Orange to black if their is no black in the box. Orange =Black
I am also thinking that you blue will is also the positive for the fan. I woudl hook it to your orange also .  .