Pico 5646-BP 4 Wire Fan Speed Switch

PICO · Sockets & Pigtails

5646-BP

1 PC 4 Wire Fan Speed Switch

$31.28

Dealer price · CAD · checked September 11, 2026.
Manufacturer pack / length: 1. Confirm your required quantity with the counter.

Belleville · call for availability
Kingston · call for availability

Stock checked September 11, 12:46 PM Eastern. Dealer prices checked September 11, 2026. Call to confirm the part, package and availability before travelling.

CHECK THE DETAILS BEFORE YOU BUY

4 Wire Fan Speed Switch

GM Service Repair Pigtail Fan Speed Switch 1977+

OEM #
PT703, PT1936, 12126432, 88860491
Wire #
4
Gauge
1-18, 1-14, 2-16 AWG
Manufacturer pack / length
1
GTIN / barcode
00776479499224

Pico manufacturer PIM · August 12, 2026. Barcode and package reference · May 1, 2025. Confirm the current package with our counter.

Match the electrical ratings, wire size, dimensions and connection type for the job. A similar-looking part or matching cross number alone does not establish compatibility.

START WITH THE NUMBER YOU HAVE

MANUFACTURER CROSS REFERENCES.

These are references from Pico’s supplied workbook. They do not confirm fit for a particular vehicle. Match the connector shape, terminals, keying, wire size and ratings.

9 reference rows

Reference sourceNumberMatch notes
BWDPT5515Match the plug shape, terminal count, keying and wire requirements; this is not vehicle fitment.
Blue StreakS-617Manufacturer interchange; verify connector, terminals and application.
Blue StreakS-617Match the plug shape, terminal count, keying and wire requirements; this is not vehicle fitment.
Blue Streak OEM reference88860491Match the plug shape, terminal count, keying and wire requirements; this is not vehicle fitment.
Blue Streak OEM reference937106Match the plug shape, terminal count, keying and wire requirements; this is not vehicle fitment.
Pico OEM reference12126432Match the plug shape, terminal count, keying and wire requirements; this is not vehicle fitment.
Pico OEM reference88860491Match the plug shape, terminal count, keying and wire requirements; this is not vehicle fitment.
Pico OEM referencePT1936Match the plug shape, terminal count, keying and wire requirements; this is not vehicle fitment.
Pico OEM referencePT703Match the plug shape, terminal count, keying and wire requirements; this is not vehicle fitment.

Pico pigtail/socket workbook · June 16, 2023; supplied August 2026.

THE RIGHT CONNECTION. YOUR LOCAL COUNTER.

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Bring the part number, a clear photo, and your vehicle or equipment details. For connectors, show us the plug shape, terminals and wire size so we can help check the match.