PAC LPH-SPK OEM Non Amplified System Instruction Manual
- October 30, 2023
- PAC
Table of Contents
PAC LPH-SPK OEM Non Amplified System
The LPH Harness is a modular harness designed to work on OEM Non-Amplified systems. It can be used for various applications such as adding multi-channel amplifiers, standalone subwoofers, and providing power/ground/ACC.
Important Notes
- All LPH harnesses are designed to work on OEM Non-Amplified systems.
- All LPH harnesses are designed to be modular and used in various applications.
- If no powered accessories are going to be installed behind your radio you will not need to use the LPH-SPK(F) pigtail.
- If you are using this harness make sure your loose ends are connected prior to plugging in to the main LPH harness. If not connected to a device or insulated this could cause a short circuit.
Wiring Connection Chart (All Models)
The following table shows the wire color and function for each-SPK model:
LPH-SPK Model | Wire Color | Function |
---|---|---|
LPH-SPK (A) | White | Front Left (+) |
White/Black | Front Left (-) | |
Gray | Front Right (+) | |
Gray/Black | Front Right (-) | |
LPH-SPK (B) | Green | Rear Left (+) |
Green/Black | Rear Left (-) | |
Violet | Rear Right (+) | |
Violet/Black | Rear Right (-) | |
LPH-SPK (C) | White | Front Left (+) |
White/Black | Front Left (-) | |
Gray | Front Right (+) | |
Gray/Black | Front Right (-) | |
LPH-SPK (D) | Green | Rear Left (+) |
Green/Black | Rear Left (-) | |
Violet | Rear Right (+) | |
Violet/Black | Rear Right (-) | |
LPH-SPK (E) | White | Front Left (+) |
White/Black | Front Left (-) | |
Gray | Front Right (+) | |
Gray/Black | Front Right (-) | |
LPH-SPK (F) | Green | Rear Left (+) |
Green/Black | Rear Left (-) | |
Violet | Rear Right (+) | |
Violet/Black | Rear Right (-) |
Product Usage Instructions
Adding Multi-Channel Amplifiers Front/Rear
- Split either the front or rear channels on the main LPH harness.
- Insert the LPH-SPK(A/B/C/D) in between.
- For standalone subwoofers, use LPH-SPK(E).
- Make sure all loose ends are connected prior to plugging in to the main LPH harness. If not connected to a device or insulated this could cause a short circuit.
Provides Power/Ground/ACC
- Use LPH-SPK(F) for providing power, ground, and ACC for your audio adapter.
- If no powered accessories are going to be installed behind yourradio you will not need to use the LPH-SPK(F) pigtail.
- Make sure all loose ends are connected prior to plugging in to the main LPH harness. If not connected to a device or insulated this could cause a short circuit.
Example Installation – Mono Amplifier – LPH-SPK(E)
- Split either the front or rear channels on the main LPH harness.
- Insert the LPH-SPK(E) in between.
- This will provide a High-Level output for various devices such as an Amplifier, DSP, or LOC that can accept a high-level input signal.
- Make sure all loose ends are connected prior to plugging in to the main LPH harness. If not connected to a device or insulated this could cause a short circuit.
- You will want to test your vehicles factory speaker signal to verify that low level frequencies are present.
- This example will also maintain your factory speaker connection as it is bypassed though the harness.
Note: LPH-SPK(E) can be used in both front or rear configurations based on user preference. LPH-SPK(F) may not be available in all vehicles.
Important Notes
All LPH harnesses are designed to work on OEM Non-Amplified systems.
All LPH harnesses are designed to be modular and used in various applications.
(Listed Below)
- Adding Multi-Channel Amplifiers Front -LPH-SPK(A) / (C)
- Adding Multi-Channel Amplifiers Rear -LPH-SPK(B) / (D)
- Adding Multi-Channel Amplifiers Front / Rear -LPH-SPK(A) / (B) / (C) / (D)
- Adding Mono Amplifier Standalone Subwoofer -LPH-SPK(E)
- Provides Power/Ground/ACC -LPH-SPK(F)
- Provides speaker inputs / outputs on all channels
If no powered accessories are going to be installed behind your radio you will not need to use the LPH-SPK(F) pigtail. If you are using this harness make sure your loose ends are connected prior to plugging in to the main LPH harness. If not connected to a device or insulated this could cause a short circuit.
Wiring Connection Chart
Front – Signal from AMP| Rear – Signal from AMP| Front – Signal
to AMP
---|---|---
Wire Color| Function| Wire Color| Function| Wire
Color| Function
White| Front Left (+)| Green| Rear Left (+)| White| Front Left (+)
White/Black| | Front Left (-)| Green/Black| | Rear Left (-)| White/Black| |
Front Left (-)
Gray| Front Right (+)| Violet| Rear Right (+)| Gray| Front Right (+)
Gray/Black| | Front Right (-)| Violet/Black| | Rear Right (-)| Gray/Black| |
Front Right (-)
LPH-SPK (D)| | | LPH-SPK (E)| | | LPH-SPK (F)| |
Rear – Signal to AMP| Signal to AMP (SUB-T)| Power Extension
Wire Color| Function| Wire Color| Function| Wire
Color| Function
Green| Rear Left (+)| Blue| Left (+)| Yellow| Constant 12V
Green/Black| | Rear Left (-)| Blue/Black| | Left (-)| Red| Accessory
Violet| Rear Right (+)| Red| Right (+)| Black| Ground
Violet/Black| | Rear Right (-)| Red/Black| | Right (-)|
LPH-SPK (E) Can be use in both front or rear configurations based on user
preference.
LPH-SPK (F) Not all vehicles will provide accessory signal (Red Wire).
Installation
Mono Amplifier – LPH-SPK(E)
- For this application you will want to split either the front or rear channels on the main LPH harness and insert (LPH-SPK(E)) in between. (See Photo).
- This will provide a High-Level output for various devices such as an Amplifier, DSP, or LOC that can accept a high-level input signal.
- LPH-SPK(F) can be used to provide Power, Ground, and in some cases Acc for your audio adapter (See Photo Bottom Right)
- You will want to test your vehicles factory speaker signal to verify that low level frequencies are present.
- This example will also maintain your factory speaker connection as it is bypassed though the harness.
Installation **Multi-Channel Amplifier
**
For this application you will want to split either the front and / or rear
channels on the main LPH harness and insert LPH-SPK(A-D) in between. (See
Photo
Harnesses LPH-SPK(C) and LPH-SPK (D) will provide a High-Level output for
various devices such as an Amplifier, DSP, or LOC that can accept a high-level
input signal.
Harnesses LPH-SPK(A) and LPH-SPK(B) will allow you to run the output of your
new aftermarket amplifier back through you factory wiring.
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