BrEnDaNb

anyone have a good location for an amp ground in the rear of a 2002 blazer?

goser

Any bare metal should be fine--scrape away paint. Maybe inside the tire jack holder? I have mine behind the seat so ran mine to under the rear door jamb. Just check your resistance between your ground point and battery neg., should be 1-2 ohms. If it's like 60 you might need to run new ground straps or a dedicated ground. Depending on your wattage you might want to do the 'big 3' anyway. (which i think in this truck might be a big 4).

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'98 GMC Jimmy 4X4 VIN=W
'99 Pontiac Sunfire GT
'80 Yamaha XJ650 Maxim