ok. so i wouldnt need to positive module converter? i called them up and they said my car has a positive charged door lock. but then again, theyre probably saying that so i would have to buy it. i know ours run on vacuums but what the heck is this thing? check out the commando 2-way pager alarm. it comes as an option for your car if it needs it.

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1989 260E
- 300E engine
1998 C230
1995 E320