Home made Heavy duty window wiring harness

[85Squared]

Saw this product made by LMC which solves the issue of the windows going up and down so slowly on the Square bodies. It draws power directly from the battery and uses two relays ran in line with the existing window motor harness. Definitely a good idea but it looks like something I can make myself, just wondering what type of relays I should use? Any help would be greatly appreciated.

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[Honky Kong jr]

Saw this product made by LMC which solves the issue of the windows going up and down so slowly on the Square bodies. It draws power directly from the battery and uses two relays ran in line with the existing window motor harness. Definitely a good idea but it looks like something I can make myself, just wondering what type of relays I should use? Any help would be greatly appreciated.

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It can be made easy cheaper. Not sure what amperage relay they use but I got 4 40 amp relays, pigtails and diodes for less then $25. The rest is solder and wire.

 

[smoothandlow84]

X2 Lmc charges quite a bit for what they sell. Use 40 amp relays, like Honky Kong stated.