20 Most Recent Zapco Reference 750 Car Audio Amplifier Questions & Answers


If it goes into protect and your speakers and wires are good, chances are you have bad output transistors that will need to be replaces.

Zapco Reference... | Answered on May 16, 2014


check your settings on your stereo and the amp make sure you have changed to 1 ohm on the amlifier for a briged connection to a subwoofer and change from lpf to hpf on the amp there should be a switch.

Zapco Reference... | Answered on Jun 08, 2010


If the amp uses TIP35Cs and TIP36Cs, those will be the output transistors. Measure the resistance between legs 2 and 3 for each of the output transistors. Do any read near 0 ohms?

If you're new to repairing amps. The following page should help.
http://www.bcae1.com/repairbasicsforbcae1/repairbasics.htm

Zapco Reference... | Answered on Nov 18, 2009


Try their website or a youtube video.

Zapco Car Audio... | Answered on May 29, 2016


i got a wiring paper that comes with the peq plug,its not a manual but it shows how to wire up a zapco peq

Zapco Car Audio... | Answered on Dec 04, 2010


need keycode of rds 4000 serial m072730

Car Audio &... | Answered 14 hours ago


Attach a picture and give more information on the model and installation.

Car Audio &... | Answered on Aug 02, 2020


Request it from Fisher.

Car Audio &... | Answered on Jul 24, 2020


FULL make and model always. Here are some choices for the JP L5

https://www.google.com/search?q=factory+reset+JP+l5

Car Audio &... | Answered on Jul 20, 2020


Makes no sense. Could be anything. More detail required.

Car Audio &... | Answered on Jul 18, 2020

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