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Old 06-17-2012, 02:28 PM   #1
JCampbell
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What the heck is this? v3.0

'90 Suburban, TBI 454/TH400

Curious little device located north of the HVAC box. Plugs into the main harness.

What is it for?

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Old 06-17-2012, 08:17 PM   #2
Pop's C-10
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Re: What the heck is this? v3.0

google tha part #
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Old 06-17-2012, 09:04 PM   #3
JCampbell
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Re: What the heck is this? v3.0

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Originally Posted by Pop's C-10 View Post
google tha part #
Duh. Good idea.
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Old 06-17-2012, 08:55 PM   #4
bustedknuckles
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Re: What the heck is this? v3.0

looks like an esc module. (electronic spark control)
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Old 06-17-2012, 11:14 PM   #5
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Re: What the heck is this? v3.0

Quote:
Originally Posted by bustedknuckles View Post
looks like an esc module. (electronic spark control)
Bingo!!
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