Van Nuys, California - Section 5 - 60 through 76

Box 60: SPEC. ORD.
To date, no data has been found in this box.

Box 61: BODY FRT. HARNESS
7617 - Convertible only
9390 - Sport Coupe
9462 - El Camino

Box 62: BODY LAMP HARNESS
Three hyphens (---) - Convertible
8671 - Sport Coupe
9872 - El Camino

Box 63: BODY POWER HARNESS
9464 - found on five sheets with power windows and/or electric door locks but four sheets without either
Two hyphens ( -- ) on all others.

Box 64: (unlabeled)
Several 3-digit numbers plus 3 hyphens ( --- ) have been found in this box. Since the box is unlabeled, it's uncertain what this number represents:
425 , 426, 427, 428, & 480

Box 65: I.P. HARNESS
This box contains a 2-letter code.
BG - Found without air conditioning, without center console, without gauges
BJ - L34 & LS5 with air conditioning, without gauges
BN - All engines with gauges
BR - All engines without air conditioning, with center console without gauges

Box 66: CONSOLE HARNESS
This box contains either a 4-letter code or 5 hyphens
----- - No console
XSEA - All with M40 transmission and console
XTEB - All with manual transmission and console

Box 67: INST. CLUSTER
This box contains a 2-letter code and is dependent on column shift vs. floor shift and with or without gauges.
GA - floor shift w/o gauges
GG - column shift w/o gauges (M40 only)
GK - floor shift w/gauges
GR - column shift w/gauges (M40 only)

Box 68: MSTR CYL
This box contains a 2-letter code CN

Box 69: STRG WHL
This box contains a 2-letter code for the steering wheel. Sometime between 1219 and 0104 the code changed from KA to AB for the standard SS steering wheel.
AB - standard black SS steering wheel beginning at least 01-06
AK - RPO NK1 cushioned rim steering wheel
KX - standard black SS steering wheel up to at least 12-16

Box 70: STRG COLUMN
This box contains a 2-letter code for the steering column. (It should be noted that all SS-optioned Chevelle steering columns were black.)
CG - M40 transmission w/column shift
CH - M40 transmission w/floor shift
CI - M40 transmission w/column shift and tilt
CJ - M40 transmission w/floor shift and tilt
CX - manual transmission
CZ - manual transmission with tilt (no examples to date but follows other plants)

Box 71: STRG COL COLOR
All SS-optioned Chevelles will show BLACK in this box.

Box 72: TACH
If the Chevelle was ordered with RPO U14 Instrument Panel gauges, a 3-digit number will be coded for the redline of the tachometer. If RPO U14 was not ordered this box will have 3 hyphens ( --- ).
938 - 5,000 redline not used with SS options
985 - 5,500 redline used on base L34 engine
983 - 6,500 redline used on optional L78 and LS6 engines

Box 73: SPEEDO CABLE
This box contains a 2-letter code for the speedometer cable to be used.
CR - M40 through at least 12-16
CR -- - M40 after at least 01-06
CS - manual through at least 12-05
CS -- manual after at least 03-11

Box 74: (unlabeled)
This box contains a 4-digit number
6653 - Its meaning is unknown as both codes have been found on all models regardless of engine or rear axle gear ratio or any other discernable option.
8165 - Its meaning is unknown and found only on one LS5 dated 02-24

Box 75: CTRL. ARMS FRT.
This box contains two 2-letter codes. All SS-optioned Chevelles have XU XF in this box.

Box 76: CTRL. ARMS REAR
This box contains a 4-letter codes. All sport coupes and convertibles have NUHD, NHHD, in this box to at least 04-27. Engine, transmission, etc. do not seem to a deciding factor.
HJHD - Found after 05-27
NHEE - El Camino after at least 11-28
NMEE - El Camino up to at least 11-13
NHHD - Found between 09-24 and 04-27
NUHD - Only found on 02-18 and 02-21