Osmossis

i have a 93 merc gm i recently purchaced it now i am put 6x8'' fosgate componets in the front with alpine 6x9" in the back i got 2 fosgate twelves in the back with a 1500w fosgate mono block. the front compontes run off a 360 watt jensen, n the rears a 600 watt alpine. now the only problem is i can't get the damn power cable through the firewall every thing else is wired!!!!! i have tried everything but drill the the damn firewall myself any one ever do a GM or have any ideas would be greatly appreciated.

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88grandmarq

I usually cut a slit in grommet where the main harness from the ECM goes out. its on the drivers side, just below the brake booster.