"Parts-matching" sites claim my relays don't fit my TB

Charles Austin Miller

Well-Known Member
2005 Trailblazer LS EXT 4.2... I'm replacing the solid state relays (#45 and #46) in the fuseblock under the hood, and searched them online at 3 different parts sites so far. But those sites keep telling me the relays don't fit my 2005 Trailblazer LS EXT.

I'm using the same part number printed on the relays that have been installed all along: ACDelco multi-purpose solid state relay # 15016745.

When I search those sites, a photo comes up showing the exact relay with the exact number printed on it...but these sites claim it "doesn't fit" my Trailblazer. How can that be? Anyone else having this problem with "parts-matching" sites?
 

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Charles Austin Miller

Charles Austin Miller

Well-Known Member
It just makes me leery of ordering anything from those sites. I mean, if their parts-matching is screwed up, I tend to think their order-fulfillment might be screwed up, too.
 

Mooseman

Moderator
Even in-store, there were issues with belts when they would ask "how many amps?". All had 140A alternators. The difference was between the SWB and LWB/EXT/XL. Took quite a few years for them to clear that one up.
 

northcreek

Well-Known Member
Do some cross referencing with various sites to narrow down to the correct part. I run into your problem all the time. Searching with OEM part numbers works best for me and I disregard the "fit/doesn't fit" stuff.
 

MRRSM

Lifetime VIP Supporter
Charles... I've had that same situation happen time and again on Amazon... and my reluctance to 'Punch the Buy Ticket' has paid off in accepting their weird wisdom. But in this case... they DO have that ACDelco OEM Part... and it DOES clear their' Parts-Compared-To-Vehicle Matching Algorithm' quite nicely...for the 2004 TB... But NOT the 2005 TB... WTF?:

https://www.amazon.com/dp/B0065S6S8Y/?tag=elightbars-20

ACDELCORELAY1.jpg
 
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