Audiovox Remote Start

[dmathews]

Hey guys, new to the forum. I bought a audiovox remote start to install in my expedition. I got the main 6pin wiring harness to the ignition wiring harness. There are a ton of wire that come from the control box, most of which are safety shutoffs and what not. Im trying to wire the 10 pin harness in right now and I have to hook the white wire to the positive on the light switch harness, Im not sure which on is the positive parking light wire. From what I found it is the brown wire but im not sure. Has anyone ever tried hooking one of these remote starts up. I have the PATS bypass. Im not wanting to use all of the features, I just want it to start my car. Any help with the install would be greatly appreciated.

 

[Bedrck47]

sure would be nice to know the year model and engine for your expy
also the model of the audiovox remote

 

[dmathews]

Sorry, I have a 2004 with the 4.6. The model number is APS687A

 

[stamp11127]

The manual I found online doesn't state a 10 pin connector but does mention a 12 pin.
Do you have a wiring diagram for the car to follow? And a test light or dmm?

 

[dmathews]

sorry yes it is a 12 pin and I have been using this diagram. I have a hard time using some of the diagrams online.

http://alarmsellout.com/support/diagrams/vehicle/FORD EXPEDITION 1997-2006.pdf

I have all the wires hooked up to the ignition wire harness and I have the led mounted along with the remote sensor. Most of the other wires I don't understand what the need is. I just want to use it to start the car and that is it. No other options or door unlocks or anything like that. The only thing I have left to hook up besides all of the random wire is the ground on the 12pin and the tach wire. Do you by chance know if anything else is necessary, I also havnt hook up the 4pin harness either.

 

[stamp11127]

Don't know what else is necessary without studying the diagrams. I will when I get a chance but it will be a while before I can get some quiet time.

 

[dmathews]

Ok I will greatly appreciate it.

 

[stamp11127]

How are you tying into the harness of the vehicle? I hope your not using those stupid blue vampire clips or butt connectors.

 

[dmathews]

no, im not cutting the wire but im stripping the wire and then sodering the other wire on.

 

[dmathews]

In the morning I going to hook up the PKFM and wire that to the remote starter and then the tach wire, the parking light wire and then the ground wire from the 12pin. Im hoping that is all I need but idk

 

[GAINMOB]

why i will gladly pay to have it done...

 

[dmathews]

I have got most of the remote start hooked up I think. I just tried to program the tach and Im having no luck with that. I have it hooked the the pink/white wire on the COP and I don't think its working. Is there any other place to tap onto the tach wire other than the coil

 

[stamp11127]

Tachometer Input Wiring Detail
GREEN/ORANGE Wire: Tach Sensor Input
This wire will continually monitor the engine tach rate while the unit is under power of the Remote Start module.
This wire will be routed to the vehicle ECM tach input or through the firewall into the engine compartment and connect to the negative side of the ignition coil. This Remote Start unit learns the tach rate of the vehicle and in most cases will operate properly from one multi coil pack regardless of the number of cylinders. If the vehicle has a single coil unit for each cylinder, it may be necessary to connect this wire to more than one cylinder for proper tach reference. See multi coil wiring detail shown later in this manual for additional information.

Multi Coil Pack Adapter: (Optional)
The multi coil pack adapter, (P/N 136B1400), is designed for use with vehicles that do not respond to single coil tach programming. Although the tach resolution of this circuit is designed to interface direct with most vehicles, there may be an occasion where the following circuit may be required.
To use the adapter, the Green/Black wires must connect to the negative side of the ignition coil(s).

1. For vehicles utilizing independent coils per cylinder, connect the three Green/Black leads to alternate coils. To achieve optimum performance the coil signals must be evenly distributed. This is accomplished by first mapping out the firing order of the engine in groups of as indicated below. Draw a circle around any of the columns. The Green/Black wires should be connected to the negative (-) terminal of the respective cylinder number which appears in any of the circles.

2. For vehicles utilizing 2 cylinder firing per coil pack, connect Green/Black to the tach side of each coil pack. For 8 cylinder, four coil systems, connect to any of the three coils.

3. Connect the Yellow wire to a +12 volt ignition 1 source. This wire will have +12 volts with the ignition in the on and start position and have 0 volts with the ignition in the off position.

4. Connect the Green wire to the (Green) or (Orange/Green) tach input of the Audiovox remote start unit.

In English that basically says the unit needs input from more than one coil. If it were me, I'd get the multi coil adapter so that it would calculate the rpms on the 8 signals from the cops.

 

[dmathews]

Yeah I was hoping to get around that. I have read that their are tach signal wires that come from the PCM to the dash that can be taped into but I have searched for a diagram for the PCM or of the tach wire under the dash with no luck. Any idea where I can get PCM pin output diagram.

 

[bricekin]

If you're dead set on using the tach connection, you can get it at the uncommon wire color on an injector. The common wire is ground. If you do not connect a tach wire, you can set the unit for voltage check which means it'll watch for the voltage to rise from ~12v to 14v.

If you don't have a multimeter or are not using one, I'd suggest quitting now and taking your vehicle to a professional to have them look it over/complete it.