29.) The first operation to be performed prior to removing a 12 V starter motor is to: A. disconnect the positive battery cable. CB. disconnect the negative battery cable A C. disable the SRS system. CD. remove the transmission dust cover.

## Step 1<br />This problem is about the correct procedure for removing a 12V starter motor. The options provided are:<br />A. disconnect the positive battery cable<br />B. disconnect the negative battery cable<br />C. disable the SRS system<br />D. remove the transmission dust cover<br /><br />## Step 2<br />The safest and most recommended procedure when working on a vehicle's electrical system is to disconnect the negative battery cable. This is because it minimizes the risk of electrical sparks that could potentially ignite the fuel vapors in the vehicle's fuel system.<br /><br />## Step 3<br />Disconnecting the positive battery cable (Option A) can lead to electrical shorts and potential damage to the vehicle's electrical system.<br /><br />## Step 4<br />Disabling the SRS system (Option C) is not directly related to the removal of a starter motor. The SRS system is a safety system that includes airbags and other safety features.<br /><br />## Step 5<br />Removing the transmission dust cover (Option D) is not a necessary step for removing a starter motor.