.. _current_concerns:

My Current Draw is Too High
===========================

If your ECU is drawing more current than expected, consider the following steps:

Disconnect all wires connected to the ECU **except** for V\ :sub:`pwr`\ ,
ground, and ignition. Refer to the Technical Specification for the
appropriate pins for these connections.

If the current is still too high, inspect your wiring harness for a short
circuit between these pins and wires.

If your current measurement now aligns with expectations:

    * Reconnect each wire one at a time to isolate which circuit is
      responsible for the high current draw.

    * Check your wiring harness for short circuits.

    * Examine your inputs and actuators for short circuits.

My Current Draw is Too Low
==========================

If your ECU is drawing less current than expected, consider the following steps:

Ensure the ignition pin and V\ :sub:`pwr`\  are connected to the same voltage
source. The ECU will not wake if the voltage at the ignition pin isn't high
enough. Refer to the Technical Specification  for the ignition pin.

Use a probe to ensure there's at least 7V at V\ :sub:`pwr`\  and the ignition
sense pin.

Check the continuity in your wiring harness for the following signals. Refer
to the Technical Specification for your ECU's pin-out:

    * V\ :sub:`pwr`\

    * Ignition sense

    * Ground

While doing the above, confirm that each pin is located correctly. For
example, if V\ :sub:`pwr`\  should go to pin A27, ensure it's not on A26 or
A28.

Make sure the pins are properly seated in the harness connector. An improperly
seated pin can lead to an intermittent or missing connection when plugged
into the ECU.