Quote:
Originally Posted by Boog
My daughter googled and found a service in Missouri who repairs these clusters so they sent hers in and received it back in about a week. The only thing wrong with hers was most all the bulbs were burned out and they are soldered in. So for the sum of about $67 she got bulbs replaced and her temp gauge no longer worked. Later I removed the cluster and found cracked solder on that gauge so I fixed it myself. All good.
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Lead helps a great deal when touching up these cracking solder joints. Kester 0.031 60:40 Sn:Pb rosin core electronics solder and Amtech nc-559-v2 tacky flux.
You also want to use care to not overheat the board. The Import OLED stations that use the Hakko T12 tips are inexpensive nice entry level solder stations with fast warmup and great temperature control for a lot less than my Weller.
There are several groups of SMT resistors on these clusters that cause intermittent gauges. You want to look them over and touch them up
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8
RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
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And please let us know if and how your repairs were successful.