My AC fan quit working, how can I tell if I need

SOURCE: ac relay location 2004 pontiac vibe

look in the fuse panel located in the engine compartment near the battery

Robert

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SOURCE: 2005 Pontiac Vibe heater fan working on high only

My 2005 Vibe did the same thing it was the heater resistor. It is located to on the firewall behind the glove box on the lower left side of the blower assembly. Two 5.5mm screws hold it in place (1/4 inch socket works too). I used a socket attached to a socket swivel to replace mine in under 10 minutes. Heater now works as good as new. I purchase mine online for $30 from rockauto.

SOURCE: where do I find the fuse box for a 2006 pontiac

Look underneath the dashboard, just to the right of the steering column. You will see a black rectangle with the fuse diagram printed on the cover.

SOURCE: A/c compresor quit blowing in

2006 Dodge Ram 2500 Diesel 5.9 Cummins

There is no relay. The pressure sensor sends signal to PCM, then the PCM sends signal to the TIPM or total integrated power module which is sort of self contained fuse box but really a micro computer that controls many things. The Module has had known issues that can affect one of many things. I lean to bad module. Here is the diagram for compressor.

The Integrated Power Module (IPM) is a combination of the Power Distribution Center (PDC) (1) and the Front Control Module (FCM) (2). The PDC mates directly with the FCM to form the IPM. The PDC is a printed circuit board based module that contains fuses and relays, while the FCM contains the electronics controlling the IPM and other functions. The IPM is located in the engine compartment, next to the battery and connects directly to the battery positive via a stud located on top of the unit. The ground connection is via electrical connectors. The IPM provides the primary means of voltage distribution and protection for the entire vehicle.
The molded plastic IPM housing includes a base and cover. The IPM cover is easily opened or removed for service access by unscrewing the cover retaining nut and has a fuse and relay layout map integral to the inside surface of the cover. This IPM housing base and cover are secured in place via bolts to the left front fender support assembly.
Replaceable components of the IPM assembly are broken down into the following components:

• The Power Distribution Center (PDC)
• The IPM cover
• The Front Control Module (FCM)
• Complete IPM assembly that includes all three parts