Connecting Alternator Electrical Connectors

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Reassembling Alternator Parts....5

Be safe when connecting the electrical connectors to the alternator in your car. Learn how to safely install the electrical connectors to the alternator in this free car repair clip.

Part of the Video Series: How to Change an Alternator
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Video Transcript

In this clip we are going to talk about the proper way to reinstall the vehicle's electrical connectors to the engine's alternator. We have 3 connectors to deal with. The first one is our primary output stud. Pretty much slide the battery right on it and run your mounting bolt down tight. The torch specification on this bolt is going to be measured in pounds. It does not take a lot of torch to mount this; however, it does have to be tight. You need to be careful with this mounting stud being that it is possible to over tighten it and damage the output terminal. They are made of plastic and you don't have very much metal inside of them. They are only looking for just past snug. As you can see I am using one finger to tighten this down. That is all the tighter it needs to be. Once you have the attaching nut slug, go ahead and slide the protective boot back over. From there we are going to take and plug in our PCM control wires and our charge indicator, either gaged or light. That's plugged in and we will get this guy in the back plugged in as well. You are going to want to listen for some specific clicks as you plug these connectors in. That means there we go, that means they have seated and their retaining hooks have popped on to the retaining stud. If they haven't clicked, that means they are either broken or that they are not fully seated. They will click. As you can see, this electrical connector has a hook on the end of it. That is going to correspond with a tang on the alternator. The tang is going to pop up right through here. When this clip is properly installed, it will make a popping noise as this device takes a hop over the seat on the alternator. Go ahead and slip that down in there. If it doesn't make a noise, it is not installed that far enough or the mounting clip is broken. As you can see, take a listen and you will hear the pop, that's it. Once it makes that noise, you can tell that it is seated properly.

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