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- - BCM connectors (https://blazerforum.com/forum/lighting-electrical-52/bcm-connectors-53254/)

Barry E Mick

12-27-2010 06:42 PM

BCM connectors

What are the consequences of disconnecting and re-connecting the BCM connectors in the improper order ? Brown first to disconnect and purple first to re-connect...

swartlkk

12-27-2010 06:44 PM

Shouldn't be any problem either way.

Barry E Mick

12-27-2010 07:44 PM

did a heater core in the Blazer(2nd time) Now I have no lights(inside or out)no heater controls/fan no radio no tach/gauges...engine starts and runs. Took it apart again and checked all connections...seem good. 12 volts at battery...was thinking I may have toasted the BCM reconnecting the connectors or battery. Where does BCM get it's power from...distribution block ? Fuse or relay ? hmmmm

swartlkk

12-27-2010 07:49 PM

What are you driving?

Barry E Mick

12-28-2010 02:56 PM

A 2002 Chevrolet Blazer LS 4.3L 4X4

swartlkk

12-28-2010 08:23 PM

1 Attachment(s)

The main power comes from the TBC fuse.

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