I have a 1990 Toyota Camry LE station wagon & trying to install

A 1990 Toyota Camry LE station wagon is being retrofitted with a replacement power antenna. The OEM antenna has been removed, but there is confusion regarding the connection of the new model, which has only two wires (red and green), to the original wiring harness that contains six wires. Additionally, there are several wires that connect to an OEM antenna control box before leading to the drive motor. Installation instructions are sought, as the replacement manufacturer indicated that "professional installation is required" and did not provide any guidance. A wiring schematic or illustration for the power antenna unit is also needed. The two wires from the motor are intended for up and down movement, depending on the current flow, and should be connected to terminals 1 and 4. However, with only two wires present, it raises questions about the absence of a limiter switch circuit.

The replacement part's compatibility is in question. Resources such as Haynes and Chilton manuals have not proven helpful, and there is a desire to confirm whether the replacement part is suitable.

For the installation of the power antenna, it is essential to understand the configuration of the original wiring harness. The six wires in the OEM setup typically include power, ground, and control signals. In the case of the new antenna, the two wires (red and green) would generally represent the power supply and the control signal for the antenna motor.

To connect the new antenna, the following steps should be taken:

1. **Identify the Wires**: Use a multimeter to test the original wiring harness to identify the function of each wire. The power wire will usually provide a positive voltage, while the control wire will signal the antenna to retract or extend.

2. **Connect the Power Wire**: Connect the red wire from the new antenna to the power wire of the original harness. This wire should provide the necessary voltage to the antenna motor.

3. **Connect the Control Wire**: Connect the green wire from the new antenna to the control signal wire from the original harness. This connection will allow the antenna to respond to the vehicle's radio or switch.

4. **Ground Connection**: Ensure that there is a proper ground connection. If the OEM setup had a dedicated ground wire, it should be connected to the new antenna as well.

5. **Testing**: After making the connections, test the antenna operation by turning on the vehicle's radio or using the switch that controls the antenna. The antenna should extend and retract smoothly.

6. **Finalizing Installation**: Once the connections are verified and operational, secure all wiring to prevent movement and ensure that the antenna is properly mounted to avoid any mechanical issues.

In the absence of a limiter switch circuit, it is crucial to monitor the antenna operation to prevent any damage from overextension or retraction. If the replacement part does not function as expected, it may be necessary to consult with the manufacturer or consider alternative replacement options that include the necessary circuitry for proper operation.A 1990 Toyota Camry LE station wagon & trying to install a replacement power antenna. I have removed the OEM antenna (no easy task), but now trying to figure out how my replacement model that only has 2 wires (red & green) is suppose to connect with my original wiring plug (6 wires). Plus I have several wires that first connect to an OEM antenna control box before proceeding to the drive motor.

Looking for electrical installtion instructions ("Professional installation required" is the reply from replacement manufacturer given they included no instructions) plus a wiring schematic/illustration for the power anntena unit. I`ve checked Haynes & Chilton manuals - no help. I do have here the wiring schematic for your vehicle. The 2 wires from the motor should be for up and down depending on current flow. They should be connected to terminal 1 and 4. however with only 2 wires, there should not be a limiter switch circuit, it this replacement part the correct one Thanks AutoTech08 - I think your assistance & info is spot on.

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