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Modern car electronics are getting more and more complex. This means that when something stops working, it is getting much harder to find the root cause of the problem, using a digital volt meter may make the occupation easier.
Checking Fuses
The introductory thing to check is the fuses. Use the car’s handbook to find the emplacement of the fuse box, and the specific fuse for the item that is not working. Remove the fuse. If somebody has an older car, they may in all likelihood see if it has blown. With a lot of of the littler plastic types employed on European and Japanese cars, they may have to set the meter to continuity mode and check whether the fuses still work by touching the probes to each end of the fuses. If the fuse is blown, they may undertake replacing it. If it blows again they may use the digital panel meter to check for shorts to ground to see if that is the problem. If there are no shorts, then they may set the meter’s mode to measure current and see if the device is attempting to draw more current than the fuse for which it is rated.
Checking for Power
The next thing to check is that power is genuinely reaching the fuse and the item that is not working. To do this, set the meter’s controls to grant them to measure DC volts. With most cars, the most eminent voltage they must get is around 15V, so if the digital meter requires set ranges, choose one that will not be overloaded by a 15V signal. Now the meter is set up. At this point the user may genuinely commence checking the car for power. Before replacing the fuse, check both sides of the fuse’s holder. One will have to have the same voltage as the car’s battery and the other ought to show zero. If that is the case, it may now be replaced, and the user may verify whether they now have voltage on both sides.
Once the user has verified that they have voltage on both sides of the fuse’s connection, they need to check for power at the percentage that is not working. If they have voltage there, then probabilities are the actual item has a problem. If there is no voltage at the item, there may be a cut or break in the wiring amid the fuse and part, which would then need to be found and fixed. There may also be a relay, which is like an electronic switch, amongst the fuse and percentage which may be causing the problem. Normally, the best way to find any relays that may be in the circuit is to find a wiring diagram for the vehicle.
Car Electronics
Double-din bluetooth cd/usb/mp3/wma receiver; cd/usb/mp3/wma playback; built-in bluetooth interface (hfp, hsp, opp, pbap, a2dp, avrcp); built-in microphone; 728 color variable lighting display & buttons; sirius direct connect ready; hd radio ready with optional thd301; 50w x 4 built-in amp; subwoofer volume control; built-in high & low-pass filters; magna bass ex dynamic bass enhancement; parametric equalizer; beat eq for sound adjustment; oem steering wheel remote ready; 3.5mm front audio aux input; front usb port with ipod direct connect capabilities; 6-channel/4-volt rca output; includes wireless remote
Clarion’s CX501 is a versatile double-DIN CD receiver with room to grow, supplying Bluetooth hands-free calling and audio streaming, MP3/WMA playback, USB connectivity with iPod direct control, a 3.5mm auxiliary input, and a 50W x 4 MOSFET amplifier to crank out the tunes. Ready to grow? The CX501 offers six channels of preamp outputs for scheme expansion, and the capacity to add SIRIUS or HD radio.
A versatile double-DIN CD receiver with built-in Bluetooth and room to grow. Click here for a more prominent image
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Most helpful customer reviews
20 of 20 people found the following review helpful.
 Great looks, great sound, great value!
By S. Jeff
Bought this for my 2001 Pontiac Grand Am GT as a replacement for the factory headunit. My car originally had the premium Monsoon stereo, but I was told while it had an external amplifier, it was held back by the not so great Delco head unit. I popped this radio in via a Scosche GM wiring harness from Walmart for $30 and it worked nearly perfectly. Sound is crisp and clear and a vast improvement over the old headunit.
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